Episode 53: Solo — On Morality and Rationality

What does it mean to be a good person? To act ethically and morally in the world? In the old days we might appeal to the instructions we get from God, but a modern naturalist has to look elsewhere. Today I do a rare solo podcast, where I talk about my personal views on morality, a variety of "constructivism" according to which human beings construct their ethical stances starting from basic impulses, logical reasoning, and communicating with others.

In light of this view, I consider two real-world examples of contemporary moral controversies:

  • Is it morally permissible to eat meat? Or is there an ethical imperative to be a vegetarian?
  • Do inequities in society stem from discrimination, or from the natural order of things? As a jumping-off point I take the loose-knit group known as the Intellectual Dark Web, which includes Jordan Peterson, Sam Harris, Ben Shapiro, and others, and their nemeses the Social Justice Warriors (though the discussion is about broader issues, not just that group of folks).

Probably everyone will agree with my takes on these issues once they listen to my eminently reasonable arguments.

Actually this is a more conversational, exploratory episode, rather than a polished, tightly-argued case from start to finish. I don't claim to have all the final answers. The hope is to get people thinking and conversing, not to settle things once and for all. These issues are, on the one hand, very tricky, and none of us should be too certain that we have everything figured out; on the other hand, they can get very personal, and consequently emotions run high. The issues are important enough that we have to talk about them, and we can at least aspire to do so in the most reasonable way possible.

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42 thoughts on “Episode 53: Solo — On Morality and Rationality”

  1. In your discussion of the IDW, I had hoped that you would have mentioned the suppression of thought that occurred with Nick Christakis, former guest, and his wife Erika, Bret Weinstein and his wife, Heather Heyling, as well as, what happened to Jonathon Haight, at NYU. Political correctness is something to be mindful of. I refer all to Tom Wolfe’s 1970 book, “Radical Chic and Mau, Mauing the Flak Catchers”. As one who follows Hume, I boldly assert knowledge and open discussion is good.
    I am guessing CalTech does not face some of the thought police efforts evident at Yale, Evergreen or NYU.
    (Nothing I say, should cause anyone to conclude I do not believe that social injustice, climate change and inequality exists and needs to be considered.)

  2. This is going to be a pro-vegetarian comment, but I want to start with a few caveats:
    1. My arguments assume one lives in a first-world country where it is economically feasible to subsist on plant products alone.
    2. I will limit the scope to vertebrates, since there is such a wide spectrum of living being with vastly different abilities to experience suffering.
    3. I am going to argue for “reductionism” more-so than vegetarianism, as your stated desire of “animals on farms living as happily as they can up until the moment they are killed” is consistent with *an* omnivorous society, but I will hope to point out why they are not consistent with the *reality* of our omnivorous society.
    4. I am not trying to make anyone feel bad, but will probably inevitably do so. Hopefully this doesn’t come across as “holier-than-thou,” I am simply trying to state my case by stating facts, many of which are unpleasant and make people (myself included) feel bad.

    Now for my comments. I am glad that you recognize that the reality of animal agriculture isn’t “animals on farms living as happily as they can up until the moment they are killed.” This concept simply does not exist outside of certain extremely small, niche farms. The cows you see grazing in pastures while you drive by on country roads does not represent reality. The reality is that the vast majority of animals are raised in concentrated animal feeding operations (CAFOs).

    To transition to a system where we have “animals on farms living as happily as they can up until the moment they are killed” would be economically and environmentally unsustainable if the demand for animal products remains as high as it is. Below is a small sampling of things that I think would have to happen for us to reach such a state. I am not saying these things to be accusatory or to make anyone feel bad. I’m saying them because it is imperative that one understands that this is the economy of scale that the animal agriculture industry has achieved, and the level of efficiency that they operate at.
    1. The footprint of the land used would have to drastically increase. Cages, veal sheds, etc. would have to go. The footprint would need to increase by probably at least an order of magnitude.
    2. We would have to use less efficient breeds of animals, as many of them have been bred for maximum yield at the expense of the health of the animal. For example:
    a. Broiler chickens grow incredibly fast and incredibly large to the detriment of their own health.
    b. Commercial hens have been bred to lay ~300 eggs a year. In the wild they lay ~12 per year. Imagine the toll that menstruating ~300 times in a year would have on a human woman.
    c. Many people know that sheep will “overheat” if they are not sheared. This is only true because we bred out the genes that caused them to shed naturally, as it increases their yield. This has led to practices such as mulesing (removing skin around the anus so that it scars over and does not grow hair there, as it would become easily infected).
    3. Inhumane practices such as de-horning, de-beaking, mulesing (see above) etc. would need to be stopped.

    Again, these practices are done for the sake of efficiency. We would have to throw efficiency out the window in order to achieve a reality where we have “animals on farms living as happily as they can up until the moment they are killed.” In this reality, animal products would be an expensive luxury that one could perhaps only a few times a week, or if they hunted the animal themselves. Any higher demand would necessitate that we revert back to these practices in order to meet it.

    In conclusion, to those who agree with the ideal of “animals on farms living as happily as they can up until the moment they are killed,” I would hope that you choose to live in accordance with that ideal by doing one of the following:
    1. Eating vegan or vegetarian.
    2. Greatly reducing your animal consumption and making sure that you responsibly source the animal products that you do consume. (You will probably find that the “responsibly sourcing” step is so difficult and cumbersome that it is easier to simply resort to suggestion #1).

    Here is one last thought to ponder, but which I won’t get into in this comment. But if you want to respond to it, feel free:
    Some mentally retarded humans have cognitive and communicative abilities at (or below) the level of animals that we eat. Would killing and eating them be a “morally neutral” act? (Let’s suppose they have no friends or family who cares for them). If not, then why not?

  3. Laurence Peterson

    Hi Dr. Carroll,

    I loved your Great Courses series as I love this podcast, but I am a little disappointed: your choice of iconic (I HATE THIS WORD–but it’s appropriate here….) moral conundrums, vegetarianism and whether multiculturalism has gone “too far”, fails to reckon with what I consider the most pregnant moral conundrum we as a species–or, most importantly, those of us endowed with a somehow politically resonant voice, which is not a free good–face, that of so-called “economic” growth, under the strictures of capitalist Neo-liberal “democracy”, which is (as a scientist I would appreciate your take on this) clearly self-destructive (except maybe for an escaping few), or at least a period of sacrificial socialism that allows for a transition to s rational society of technological and environmentally neutral proliferation of wealth. Why did you pick the subjects you did to the detriment of my concern (not that this is “wrong”, of course)?

  4. What happened to the Scott Aaronson interview that was mentioned? Also, speaking of animals eating animals, have Sean B. Carroll on the podcast. I enjoyed his Royal Inst. video on Africa.

  5. Are we allowed to talk about men having an innately higher preference for things and systematizing, vs people and nurturing for women? You don’t talk about it, so presumably you think it’s better off not talked about? Where I see the trouble is, without this in the conversation, we don’t frame the problem as how to encourage young girls and women, so much as constantly blame men (especially white men) for the oppression.

    Also, would you agree that the left hasn’t learned how to draw a line where they are going too far, and need to have that conversation? Right now I’m witnessing a “debate” on whether it is okay to beat a journalist to the point of brain bleed for having a wrong opinion. In temperament I’m very left but I absolutely can’t deal with the extreme version. (Which unfortunately is the version that seems to have crept in where I work, in tech and startups.)

    I’m also in the awkward position (to the left) that I think Jordan Peterson cured my depression and convinced me to sort out my own problems, and that a sustainable society _by definition_ needs to care about reproduction and group responsibility for raising the next generation. After growing up on Mr. Rogers and Carl Sagan, previously I was a huge fan of New Atheism, Stephen Pinker, and yourself, but their attempts to inspire meaning fell completely flat for me. Sure I’m a unique creature in the cosmos and multiverse with a chance to exist but that didn’t explain why I was lying in bed calculating how long it would take to hit the ground if I threw myself off my 22nd floor balcony, and why I was completely invisible to women despite a successful career. I needed to sort that out, and JP gave me the psychological tools for it.

    PS: huge fan of your science writing and lectures, and a podcast of you engaging with Eric Weinstein would be a dream.

  6. Really excellent. I almost didn’t listen, I wanted another #52, which I thought was brilliant. But you hooked me in with references to ‘The Big Picture’ which is an important book for me. And in fact, I think this podcast has the same things I value in ‘The Big Picture’. That spirit of inquiry. Of the ‘intellectual’. I’ll listen to all you podcasts, but I’m hopin for more like thsi.

  7. I thought about this yesterday and slept on it. I still think it’s a good idea for you, Sean: Couples Therapy.
    Recently, I viewed Sam Harris interviewing his wife, Annika, about her new book and he was almost giggling and he did laugh. This epiphenomenon deserves more attention. There are so many similar incredible couples;
    You and Jennifer, Bret Weinstein and Heather, Eric Weinstein and Pia, Nick and Erica Christakis. There needs to be a forum where two such couples meet and exchange ideas. (I think the female participation reduces ego and conflict but that is only a hope until proven.) It may be unwieldy though. I would suggest David Reich and his wife Eugenie as a first possibility. Regardless, David would be very interesting by himself, I am sure.

  8. Hi Sean,
    Great podcast this one kept me up most of the night thinking !!

    I reluctantly agree that there appears to be no objective morality. I one joked in this “Trumpian” era, that I couldn’t wait for a benevolent AI to take over global governance. The reality is that any attempt to program moral rules into that AI rapidly begins to look like global communism, where the GDP of the world would likely be redistributed to about $17000 USD per person. It is hard to argue against the morality of giving 90% or more the population a increase in living standards unless you are in the other 10%.
    Alternatively the AI could place a utility value on all future lives that could possibly be lived then it could easily justify the morality of nuclear disarmament by any means necessary including a first strike if survivors could be predicted and the time line was long enough .

    Its clear that hard moral rules require a level of cognitive dissonance to selectively apply and if the same AI was programmed to enforce “the ten commandments” then it would rapidly look like a dystopian future.

    This podcast forced me to think about the moral rules I have adopted from society without thinking about them. It is shocking to see how much discount our society places on the lives and well being of other people who are not in our “in group”.

  9. I think you are having tunnel vision about what reality is. The distinction between naturalism versus religion is completely obvious for science. No discussion here. But your definition of reality is too generic on the one hand and too limited on the orther hand. You overlooked the difference between living beings and dead matter. Sure everything at the smallest level looks the same: quantum. But a living creature has feelings and that is the most relevant feature when discussing morality. You basically missed biology completely and you end up with an akward nerdy vision on moral issues. Please read Sapolsky and De Waal and try again .

  10. Hi Sean.
    Thanks for this podcast, it was very thoughtful and you did a good job of explaining your opinions on these subjects.

    Regarding vegetarianism, I tend to agree with everything you have said here. It may well be that we eventually discover that animals actually do a number of the aspects you have attributed to human beings, but it is still likely that we will never be able to explain our human systems to other animals.
    I have attempted to be a vegan and vegetarian at a number of points in my life. This was due to a number of factors, the largest of which was due to working in the food industry as a factory auditor and product expert for 15 years, where I learn a lot of things about food processing that I became uncomfortable with. But ultimately I could not find a diet that suited me for the long term, always ending up feeling lethargic and developing anxiety issues, so instead I now opt to more or less limit my meat consumption to once every 21 meals and this seems to do the job nicely.

    I do think you have been a little disingenuous about the IDW. Whilst your description of them as individuals and the issues with the group and its name is definitely correct. Using the concept of a demiurge that lies at the bottom of all human ideas as the reason they are incorrect is a poor show. All theories and concepts contain a demiurgical position, The theories of physics have black holes, big bangs, holography, mathematical infinities, etc.
    Whilst I cannot speak for the others in the IDW group, Jordan Peterson particularly is very open and honest about where his downfalls are and where he is blindsided in his knowledge.

    I am sure you are correct about discrimination in science, and it is vital that all people are equal throughout society, but please can I add that outcome equality is not the answer. Individuals should have the opportunity to pursue whatever they enjoy, and their skills should be developed and honed accordingly. Perhaps the things and lessons we give children should be more gender neutral and earlier education should attempt to ensure that all people are shown as many things/sectors/ideas/cross-sections as possible.

    Whilst you gave great examples of historical plight of women and blacks in America, in the UK, where I live, the largest proportion of the poorest of people are white males.
    My partner works for a UK women’s charity and they provide money and help to impoverished single women. The charity has existed for around 150 years and they do great work. However, all the societal data that they use always shows that impoverished white males (IWM) are the worst off in the country. IWM get the least assistance with obtaining higher education, have the largest drug addiction issues, highest suicides, lowest income, etc, etc, et all, literally.

    In my opinion, the poor are nudged far harder than any individual woman away from education and from trying to develop real hopes and independent ideas.

    “But I, being poor, have only my dreams; I have spread my dreams under your feet; Tread softly because you tread on my dreams.” William Butler Yeats

    Wealth privilege is the real privilege. Their are plenty of white males who discrimate against other white males, because they sound stupid, appear to have a low iq, come from a poorer background, etc, etc.
    There is a black privilege too according to the general idea espoused in public , it just isn’t as interesting to the current zeitgeist as white male privilege.
    Also please don’t misinterpret me, non-whites and women in general have definitely been mistreated by RICH whites and males accordingly, but equality is for all, and all mistreatments and issues should be equalized and repaired in the fairness of time.

    Also regarding your discussion on empathy, listening isn’t empathy. Often people lie to themselves, misinterpreted information and don’t know their own position, either as they are undecided or have not yet determined the variables, so expecting the limited small mouth noises we use to communicate to be an acceptable tool for determining empathy is incorrect.

    The dictionary definition of empathy is:

    ‘the ability to understand and share the feelings of another’

    In my opinion, this is done by placing yourself in their shoes, and placing them in yours. You can, have, and do develop deep empathy for things and people you have nor will never have the ability to speak and listen to.

    Listening can be part of empathy but it in no way defines what it means to have it.

    Empathy should always be directed to all, those we consider our lesser and also to those we consider our greater, friends and enemies, empathy should extend to animals, plants and all things made from whatever this universe is and perhaps even to the ideas that exist beyond the rules of this manifold.

    The term is EQUALITY, nothing else. A persons belongs wherever they want to belong, male and female. And I don’t mean by whim, but by their intentions and interests.

    Equality means to level the playing field for all and stop playing favourites.

    I think you truly are a great man and very much enjoy listening to all of the lectures and podcasts you produce and are involved with, and i appreciate you greatly for releasing a podcast on the difficult and contentious subjects you discussed here.

  11. Also, if you have any interest in the following things, if you found a way to weave them into future podcasts I would be delighted, Penrose’s CCC, Hawking Points, Quasicrystals, VSL, E8 lattice, Cellular Automaton as discussed in A New Kind of Science.

  12. Based on the introductory comments, I would categorize my moral philosophy as utilitarian.

    That said, the issue I take with your monologue is the linking of personal virtue and public policy. One has nothing to do with another. As an easy illustration, allow me to use abortion, which was addressed briefly in the introductory comments.

    Abortion is immoral because a human life is being destroyed. A fetus is a person and not an infection. Nevertheless, as a matter of public policy abortion should not be illegal. Why? I lived in a third world country where Roman Catholicism was predominant and abortion was illegal. A young woman in the town where I lived became pregnant and she knew that she could not support a child. She sought an abortion and found a woman who was willing to do it. The woman had no medical training. The fetus was killed. So was the young woman. Two lives were lost. If abortion had been legal, only one life would have been lost. Because of my utilitarian bias, I am opposed to abortion and I am opposed to laws against abortion as a matter of public policy.

    The moral thing to do is to encourage contraception and to find couples that are willing and able to raise children whose mothers can’t raise them.

    Regarding the consumption of slaughtered animals, I limit my comments here to the raising of those animals and climate change. There is a strong moral argument for not consuming meat or poultry from a purely utilitarian viewpoint. It should be a matter of voluntary action and not a matter of public policy.

    Then there is the intellectual dark web. The IDW is a consequence of political correctness. Reference was made to “Thinking Fast and Slow” by Daniel Kahneman. Political correctness resembles religion in that it is a creed for people on the left who prefer to think fast and not attend to the arguments of slow thinkers who disagree with the creed in part or in whole. I am one of those slow thinkers. Writing this response will probably make me part of the IDW. Your monologue linked the IDW with the legacy of slavery and racism in the United States. That linking was very religious of you and you are not ordinarily a religious person.

    The moral thing for all of us to do is to think more before we speak and before we act, and to encourage others to do the same thing. Changing that behavior is a very difficult first step necessary to destroying the legacy of slavery, to put us back in the geological era we had been in prior to the industrial revolution, and to improving the welfare of people in our households and people around the world.

  13. The problem is not that you say we should fight to stop discrimination. It is that you say it blanketly and without absolute proof of instances of it. You just give a few personal examples and conclude that it must be true across the board.

    People on all sides of the IDW would love to tackle discrimination at any point that it is proven to exist. The problem is with assuming discrimination and demanding rules to alter outcomes to create equality of outcome when you never have any evidence that the outcome should be equal at any plane. All you are doing is enforcing a different kind of discrimination that is unfair to right an unproven discrimination you hold in your mind.

    The way you formulated your statement as a pantomime of an IDW advocate which was “I care about free speech, not about racism”, shows your implicit bias and prejudgment of what is in the minds of those in it and that support it.

    This was nothing but a practice in showing your bias, and not approaching true intellectualism.

  14. Fátima Pereira

    Bem, Sean Carroll, julgo que sou uma construtivista.
    Não vegetariana (embora, prefira legumes, fruta, cereais, a maior parte de carne, a exceção de frango, pato e peru). Questão de gosto pessoal, não, opção!
    “Previlegio” de ser heterossexual!
    Mente aberta! Geralmente, tento não agir/julgar, preconceituosamente. Mas, falho, muitas vezes, de certeza!
    Concordo “….. ficamos aquém de ser perfeitamente racionais..”, “……… a força da razão, é imperfeita…”
    Conforme refere, todos podemos aprender, e, fazer melhor, para tornar o mundo, um lugar mais agradável!
    Obrigada Sean Carroll!
    Extenso, mas, muito interessante!
    Não estou a ser” não intelectual”!!! 😊😊

  15. Great podcast and very thought provoking, but I’m not with you on numerous points. I have been a part of the professional workforce of large companies for the last 40 years, and have worked side by side and been supervised by dozens of people of varying ethnicities. All these companies have been bound by laws that mandated affirmative action. To present the “oppression” and “systemic racism” in the way that you stated it gives minorties the false and exaggerated impression that they are “victims” being held down by “the man”. And that is not doing them any favors, we live in the most equitable, fair,multicultural society in human history. Multicultural and multiethnic societies are very difficult to maintain. Your not doing anyone a favor by creating “victims” that are largely imaginary.

  16. Dude, I think youre in the IDW and youre in denial about it. Your entire argument against the group relies on straw manning individual member’s bad or questionable ideas without recognizing that other members publicly oppose to those ideas.

    The only unifying ethos of the group is that EVERYTHING needs to be discussable… and you say as much in this podcast.

  17. I was very excited to hear in the intro to this episode that it would be dealing with morality and ethics associated with animals. I presently can’t adequately express how disappointed I was with how it was brushed off.
    Something in particular that grated was the bit about eating your cats being not ok because of the human affinity and connection with them. This is an example of humans being massively self-centred.
    The number of conflicting statements regarding being against suffering and yet not seeing the issue with exploiting animals was very dismaying. Even more so when the subsequent discussions about the IDW and intellectuals quest for the truth, and mentions of racism and sexism. How can one not see the connection with speciesism? You mentioned intersectionality – make the connection !!!

  18. Thank you always, Sean, for your podcast. In your discussion of morality, I think you set up a bit of a straw man regarding deriving “ought” from “is.” No one has claimed that ought could be derived from the laws of physics or what’s ‘out there’ in the universe. Oughts can be derived from our knowledge of what we are as conscious beings. These are going to be quite general (rules of thumb) because we don’t have all the answers for all situations. That things “could have been different” doesn’t change what is.

    Near the end of your discussion, you snuck in ideas that have everything to do with the “well-being of conscious creatures” (as Sam Harris says) — and of course that’s very close to where your own moral sense lies. Case in point – your discussion about killing. It’s not just about having “invented a rule” or “constructed a rule” — in fact, you derived OUGHT (the rule) from IS (people don’t want to be killled (and other factors), etc.)

  19. Gerald M. Rittenberg

    A thoughtful discussion which prods the listener to a thoughtful consideration of the topic. Many thanks for your continued effort to put science & the humanities in the public space.

  20. John Alan Gaunce

    Hi Sean,

    I really enjoy your podcast. It’s one that both informs me, and also stimulates thought on complex issues. On this episode, I found that although I probably agree with you on the vast majority of the matters at hand, you did a deep enough dive that there were plenty of things, sometimes approaches, sometimes assumptions, that I disagree with. Our areas of agreement are great, but our areas of disagreement are interesting, so that’s what I’m going to talk about. I’ll apologize in advance, but my criticisms/disagreements will probably be fairly granular, and risk seeming pedantic. I’ll do my best to explain why they are not pedantic. With that in mind…

    The first is a general observation. Throughout this podcast you seem to have difficulty imagining people holding different moral views in good conscience. That’s a pretty normal, human thing, but like how it’s important to account for, correct for, or otherwise mitigate our biases in science, it’s just as important in ethics. Right off the bat, you say that you think most people who are against women having the freedom to have abortions are really just interested in controlling women’s bodies (but there are some people who have honest religious convictions). This is a supposition that you don’t cite facts to support, which makes me think you believe it is so obvious that it doesn’t warrant offering evidence for, which would imply a failure to imagine a good conscience disagreement (yes, you concede that a small number of people, only for religious reason, which in this context implies irrational reason, hold the belief honestly). Maybe there’s another explanation that I’m missing. I think that presenting the issue as if what one’s interests are (controlling a woman’s body) and what their belief is (abortion is evil) are competing or dichotomous is misleading, and that imagining that the majority of a really large number of people don’t agree on honest ground is a bad assumption to make without strong supporting evidence. Our belief and interests inform each other, both on a surface and obvious way (cognitive biases), and on a much deeper level (“science is true because it works” is expressing the relationship between belief and interest). I won’t beat that horse any further, but I think it’s worth consideration, and I might circle back to it. FWIW, I think the question of abortion is intellectually a much more difficult question to deal with than you give it credit for. Sure, we can agree that a single cell shouldn’t be granted rights. We can also agree that a born human should. If there’s no magic (which we agree), then there’s no magical moment when those rights should be granted. If, for the sake of discussion, we set aside the hardship on the woman, there is no obvious, non-problematic method or standard to apply to determine the demarcation point between rights bearing human and generic bundle of cells. I wonder why you think it’s such a no-brainer?

    I want to talk about the is/ought issue. I don’t really like the way this issue usually gets framed, and this wasn’t any different. The way it’s presented is that we can let facts inform our moral decision making, but they can’t tell us anything about underlying moral principles, or inversely, as Sam Harris would have it, we can infer ought from is directly in a naive way. I submit that what we, English speakers, collectively mean when we say something is morally good, is an empirical question. That’s the reason why we can’t just create a “moral system” like it were a math equation, and dismiss our moral intuitions if they don’t match what the formula spits out. If you were explaining good or bad to someone learning English, what would you do? “Good… like Superman. Being nice to someone” “Bad… hurting someone. Cheating or lying”. If we analyse those things which are considered good, and those that are considered bad (currently and historically), we can actually draw some conclusions. Morally good behavior is that which maximizes the health of the group, and morally bad behavior threatens the health of the group. This framing has the benefit of being consistent with the facts of the matter, and it also gives us guidelines to deal with morally difficult questions. The biggest difficulty comes with determining who is included in “the group”. Arbitrary historical, geographical ethnic and political distinctions don’t make much sense (which is why post-modern moral relativism doesn’t work). “All of humanity” seems roughly workable. If we look at humanity as an organism (a super complex one at that!), then moral questions can be framed in terms of how they effect the overall health of the organism. In general, not killing each other on large scale is probably the largest moral good, and all of our rules regarding honesty, property, liberty, punishment and fair dealing all exist to keep us from killing each other en masse. I think that from this “is”, what we mean as humans when we talk about morality, we can infer an “ought”, but it is nothing so simplistic as individual well being. i want to make an important distinction here. I am not talking exclusively about moral agents here. Children, invalids, pets, maybe even corpses get some level of moral consideration for no reason other than that they are part (to some degree or another) of the group. They are parts of the organism.

    How does that apply to vegetarianism? Well, my current take on that depends on which argument for vegetarianism you present. Singer’s take, that the distinction between not killing people and animals is arbitrary, doesn’t hold up, unless you expand the group to include any arbitrary organism. It’s an interesting thought experiment, and I’m not sure if i have a conclusive answer to it, but my current thoughts are that we have a psychological and emotional scaffolding that we build our morality on, and it naturally makes the distinction between species, and the energy required to subvert that would need to be justified by a big advantage in the health of the organism. To put it another way, at some point, if the organism keeps taking on mass, it might collapse under it’s own weight. It’s still an empirical question, but one that might not be easy, or even currently possible to answer. The more common argument for vegetarianism is that it’s socially and ecologically responsible, and/or that the current industries are unduly cruel. I would equate the first part of that to owning a motor vehicle. Most people know that driving is horrible for the environment, but do it anyways, because it’s not convenient to find alternatives. We can probably agree that this is a non-optimal state of affairs. We can also probably agree that prohibiting driving, legally or morally, is excessive. We agree that there are a range of non-optimal behaviors that might not be encouraged, but are allowed. Meat eating seems to me to fall into that category.

    Regarding your discussion of the IDW, I agree with much of what you said, but I feel like you took the low hanging fruit. There are tons of poorly formed arguments, implications and just general nonsense that can be found listening to Shapiro, Peterson et al. I don’t think you addressed the most reasonable versions of their positions though. I find Pinker to have impeccable reasoning and can find little fault with what he says. I don’t know if he qualifies as being part of the IDW, but he does talk about political correctness, and about gender disparity in STEM, and nothing you said would address anything he says on the matter. In a nutshell, he says that we obviously should remove any barriers to women who want to go into STEM, but for reasons that are likely at least partially biological, less women have interest in the field. It’s pretty uncontroversial to talk about gender manifesting behavioral differences in species other than human, but it has become a bit of a taboo to talk about it in humans, because we worry that crazy men’s right advocates, or old boy’s club politicians will use it to justify gender based discrimination. As NDG so eloquently put it, the facts don’t care what you think, and they also don’t care what their political implications are. They are still facts, and if we are smart, we want all the relevant facts. What if women just aren’t as interested in STEM jobs as men are? Does that mean it’s okay to discriminate against those women that are interested? Of course not. However, if we see a disparity in women going into STEM, we may not want to immediately jump to the conclusion that the cause of this is that they are kept out or discouraged by discriminatory behavior. So that’s my summary of Pinker on gender disparity in STEM. I also want to reference a Q&A after a Pinker/Harris discussion, where the audience member asks about identity politics, and why they focus on it on the left so much. Why don’t they focus on it on the right? Harris responded “It’s just so obviously a problem on the right. Does anything need to be said about why it’s problematic to be a white supremacist?”

    A note about moral realism vs. moral constructivism. I find this another misleading framing. There are rules to the game of chess. That’s a fact of the world. It is a fact of the world that in the game of chess, a bishop may only move diagonally. If you take a chess board, and play a game of checkers with chess pieces, you are unquestionable not playing chess. It is also a fact that the rules of chess are constructed. It is possible that chess players, as a community of people who agree on the rules, can negotiate to change these rules, and it can still be chess. We know that the very first version of chess rules were different than the current rules. Are the rules, therefore arbitrary? Of course not. They are based on shared values. Chess players want the game to be non-arbitrary, so that the best player will win. They want it to be challenging and complex. They want it to be unpredictable. I’m not really a chess player, so I’m probably missing all sorts of other things. The point is, that it’s actually pretty easy to find shared goals, and rules end up being negotiated to meet those shared goals. I see this as a great analogy to ethics. I don’t think that’s really a disagreement, but maybe it will offer some clarification to your own thoughts.

    Okay, that’s it. It’s probably a little disorganized. I hope it’s not totally out to lunch (I’m pretty sure it’s not). Thanks again for the podcast, I’ll keep listening.

    One (okay two) last thing(s)… and I’m really out of my element. There are two things I think that I am almost certain you disagree with that concern your area of expertise, but I have yet to hear a compelling response to them. The first is, in really simple terms, isn’t the many worlds interpretation the least parsimonious model of the universe possible? Don’t you have to assume essentially infinite numbers of unevidenced universes? It’s thoroughly possible that my question is based on a fundamental misunderstanding of the MW interpretation, but that’s how it looks to me. The second is a question about the relationship between science and philosophy, specifically as it relates to QM interpretations. It seems to me that the purview of science is to make theories that are falsifiable, and to test them. It is the purview of philosophy to interpret what that data “means” in the broader sense. That’s why it matters to me that Dennett is working with cognitive scientists. I don’t see this same dynamic much in particle physics, and that seems like a bit of a problem to me.

  21. Kelvin R. Throop

    Sean many have commented on your position on the IDW, but even though this may be repetitively redundant, I think most in the IDW are better than you believe and that your statement, “the idea that (IDW) is dedicated to open free dialogue is not at all borne out by the evidence”, unduly critical. In the last 6-9 months, the four Peterson-Harris moderated video debates were published and they seemed open and enlighting relative to many topics over close to eight hours.
    You have debated Harris and, though Harris may have been Harris, it was worthwhile. (If your remarks about
    Peterson are accurate that would be bad but I have not seen the evidence and nothing similar popped out with Harris.)
    Stephen Woodford, Rationality Rules, offered a useful analysis of those debates often garnering 200,000 views. You might consider doing something like that with IDW “members” if you believe they are not being open or accurate in the future.

  22. Does it not seem very inaccurate to group Sam Harris with the intellectual dark web? He’s a liberal who believes racism is factually and morally wrong, and seems in pretty thorough agreement with modern scientific views.

  23. Excellent and thoughtful podcast. Carroll points out that neither deontological nor consequentialist approaches to morality make sense. There is no objective or real morality because “one cannot derive ought from is”.
    Most moral philosophers subscribe to moral realism because otherwise they would be out of a job. Instead morality is constructed or invented by people and groups. Morality evolves from the self-interested need of people for rules to facilitate cooperation in groups. Morality evolves within a culture as the culture develops and evolves. It is always contextual and there is no maxim that effectively expresses a moral system. Taking Carroll a step further, I would say that morality is both subjective (never objective) and emergent in human social systems.

    Carroll is weakest in arguing that the “moral” reason why killing humans is bad is because humans can conceptualize the future. This seems a tenuous, even specious, conception on which to hang the murder prohibition. Carroll is clearly trying to get to a conclusion that killing people is bad while killing animals may not be because they can’t conceptualize the future. That is just silly.

  24. Darren Eriksen

    I thoroughly enjoyed this talk. While I agree with the broad strokes of what Sean Carroll is saying regarding the current issues of racism and sexism being vastly more important than controversial speakers getting blocked from giving talks at universities, which in and of itself isn’t that big of a deal, I think he doesn’t address the larger point of concern that some have with this pattern, in that when a culture of normalcy around restricting speech or bullying people into silence is created, it can lead to worse consequences in the future. The recent assault of Andy Ngo is a small, recent example, but the larger concern what happens when that line of rationality becomes codified into laws, into forms of institutional repression (much like institutional racism or institutional sexism now) that we might have avoided by criticizing these behaviors in real time and preventing their normalization.

  25. I’d like to support Will’s comment above.. if you and Eric Weinstein don’t publicly enage it will be proof that we are all in serious trouble! If you two can’t meet on level ground and get into these details while being civil, then what hope is there for the rest of us?

    EW was just on Rogan and they talked about your wifes’ story (Dear Guardian: You’ve Been Played). This was really upsetting to see how even you (spouse proxy) made it personal and ugly, unnecessarily. EW makes great points about how not everyone learns or test the same and this discourages people from being in protected organizations. I think it’s outliers like EW that don’t follow the rules/norms that shake up the stagnant. We need people doing that but you chide him? And in this podcast you talk about leveling the playing field? While we are all trying our best to shed our biases.. acknowledge you own too.

    This podcast was good. I listened twice because I disagree with a lot of it.. but it was platitudes (esp Harris on pronouns). JP, SH and the others all said they’d use requested pronouns, but that’s not the point. I know people that go out of their way to get their recreational outrage on.. they can’t wait to be outraged if someone guesses wrong when the pronoun is ambiguous. Get into the details.. you’re not noticing the shouting down and deplatforming because you’re aligned with those goals. Wait until ‘they’ turn on you when they go to far and you have the mob to deal with. You must have seen the BW videos at Evergreen? Why no comment on this in this podcast? Be fair and don’t cherry pick. Other professors out there are walking on eggshells and you should have commented on this!

    Also notice EW on Rogan talking about his support for intersex.. maybe start there were you agree. Pretty please get him on your show!

    Keep up the good work, Thanks

  26. To say that the solution to animal suffering on farms is not for consumers to eat a vegetarian diet but rather for government or industry to ensure perfectly humane farming conditions is like saying that the solution to single-use plastic waste is not to carry a reusable bag but for government or industry to ensure 100% end-to-end recycling of plastic.

    You are fooling yourself if you think you’re a good person because someone else, somewhere else, should do something to prevent the harm you’re causing.

  27. Brad Zdanivsky

    at 2 hour mark.. you say that some might go “overboard” fighting for socail justice but that doesn’t make you disavow them.. you’d have to re-think your whole life. If their “tackitsc and stratigies” are criminal and violent, you’re still there ally.

  28. Brad Zdanivsky

    arg.. typos sorry:

    at 2 hour mark.. you say that some might “go overboard” fighting for social justice but that doesn’t make you disavow them.. you’d have to re-think your whole life, it’s that tough a decision? If their “tactics and strategies” become criminal and violent (eg: Andy Ngo), you’re still there ally? I’m really wanting cooler heads, like yours, to prevail and calm things down..

  29. Is the following stuff from podcast 44 what you mean when you discuss the conceptualization of the future issue with non human creatures?

    Mindscape #44, your podcast interview with Antonio Damasio accessed some deeply felt needs and questions for me. Subsequently I acquired The Strange Order of Things, have read it and been studying it. The study is far from over for me.

    In Chapter 8, Consciousness, pages 144-148 subtitled Observing Consciousness, he discusses the verbal track that accompanies the movie-in-the-brain part of consciousness.
    This he says ‘translates images hailing from the outside world, but also, of necessity images that come from the interior’. He further says nonhuman creatures cannot do this.

  30. “Is” can’t prove “ought”. Then 30 minutes later “blacks and women ~are~ underrepresented, so we ~ought~ to….”

  31. I really loved this episode and agreed with most of what Prof. Carroll talked about. I liked how he was able to admit that his ideas are a work in progress and that he is open to discussion. I want to bring up the few areas where I was confused or disagreed with his reasoning.

    I liked how he clarified the idea of “Constructivism”. I agree that the “meta-rules” or “axioms” of morality must be constructed, and after agreeing on them, we can then determine the rules / laws which will optimize our fulfillment of them. I think one point which Carroll quickly glossed over though is the agreeing and discussing of these constructed proposals. It seems that science *should* play a critical role in determine which proposals are better in these discussions.

    For example, one person might propose as an axiom that we follow an ancient text because it was written by the creator of the Universe who knows what is best for humanity, however with science we could show that this is a poor axiom, by demonstrating that the ancient text was actually written by humans and not an omniscient deity.

    For another example, let’s assume that people agree that we should use an axiom where want to optimize the happiness of all sentient beings. Science again plays a critical role, because we can then do experiments where we test which rules actually do increase happiness and which don’t. We can look at how existing rules have affected human happiness in other civilizations.

    It seems science should be an important part of determining which rules we follow to make society better. whether that is implying “ought from is” is probably more of a semantic argument, but the fact that that science can tell us how we should act in many moral situations seems uncontroversial.

    I think probably the weakest argument in the podcast was on the morality of killing animals. I am also not a vegetarian, but I think the idea that it is justifiable to kill an animal which cannot imagine the future doesn’t work for several reasons. First, is that Carroll seems to identify some arbitrary future cut-off of “several weeks”. What about humans which have a mental disability where they cannot imagine that far into the future? It doesn’t seem like it would be ethical to kill them. Also for animals, Maybe your cat can’t imagine weeks into the future, but certainly they can imagine minutes, or at the very least seconds. Where do you draw the line and why? If your goal is to minimize the amount of lost future time, then those minutes will add up after a few years of eating burgers. His argument also seemed to mention, but then set aside, the most serious problems with killing animals, which is suffering they endure, although the thought experiments of instant and painless deaths are very interesting.

    Maybe the area I found the most interesting was on the critique of the IDW. I don’t know that much about them except for Sam Harris. I guess my thought would be that perhaps the IDW is currently most fixated on these gender issues is that these are the current issues over which well-meaning people are being de-platformed and fired from their jobs. To me that seems more likely to the cause than they are sexist, but again I really only have listened to Harris about these issues.

    I also liked the example of comparing free speech issues over racism to complaining about the soup when the kitchen is on fire. Perhaps a counter argument is that by restricting free speech on these issues its actually making the problems of racism worse and not better? But I think Carroll brings up totally valid points, and I’m at least curious how Sam Harris would respond.

    Bryan

  32. Sean, you currently have the best podcast in any genre. Two truths, possibly overlooked here though:
    1) ALL AGENDA GROUPS BEGIN WITH THE ASSUMPTION THAT THE WORLD IS BROKEN AND NEEDS TO BE FIXED.
    (If one disagrees with this wrong assumption then one may comment on agenda groups while maintaining personal integrity. Otherwise, one lacks self awareness and are partners, peas in a pod, with all other agendas. This is certainly the group in which the IDW falls. Utter lack of self awareness. Every single one of them. However oposing agendas are equally misguided in this regard.)
    2)THE PATH TO HELL IS PAVED WITH GOOD INTENTIONS . (true of each and every agenda including that of IDW and SJW. “Morality” always falls into preferences that compensate for one’s weakness and play to their strength. This is what always establishes the basis for all “agenda groups”, both “in” and “out” groups.)

    So, as imagined, you get this response. It’s going to get much worse because what you did is, at least, equivalent to analyzing the merits of Scientology in a very public way.(you didn’t mention it, which doesn’t mean that you were not aware, but just in case). While I sympathize with your point of view, it concerns me that you maybe believe there can be a rational discourse on the merits of opposing agendas. I like you. You quality of character is clear. You do not belong in this, certainly unproductive, anti-realist podcast culture mud pit. There are not any open minds that veiw the external as broken. Between hosting Antonio Damasio and (didn’t you mention The Book of Job?, read Jung’s analysis of it) Job, Im a little surprised that you seem to genuinely believe in impersonal persuasion and disappointed by (what should be expected) the primacy of ego and identity in informing one’s world view.

  33. I wanted to make a comment about the vegetarian argument. I also am not a vegetarian and I partially agree with Sean Carroll’s argument. I think humans’ ability to understand the future, their own death, and so on is morally relevant.

    However, I think the argument overlooks a couple of things. I think it is interesting that the argument is framed as an argument about why it is moral to EAT animals but if carried to its logical conclusion it seems to me to lead to the conclusion that it is moral to KILL ANIMALS FOR ANY REASON whatsoever. If it is immoral to kill people because they can imagine the future while it is moral to kill animals because they can’t (a simplification of Sean’s argument) I don’t see why it would be immoral for someone to go down to the animal shelter, adopt all the animals they could and simply kill them, assuming it was done in a humane and painless way.

    Sean mentioned that we should take our moral intuitions seriously and I think we have a very strong moral intuition that it would be immoral to do that. And I think we correctly believe that a person who did do that is not someone who is likely to be a moral paragon in the rest of their lives. We would tend to think there was something seriously wrong with a person who decided to spend their time doing that. We would probably label them a sociopath which suggests to me a general moral prohibition on killing (with some exceptions) is a general part of our moral makeup.

    I think we have a general moral aversion for killing but we allow some exceptions (eating animals, for example) when we have good reason to allow those exceptions (we need food to live and meat is one of the better sources for the nutrition we need). Absent a good reason (our nutritional needs) I think we would find killing animals immoral tout court which suggests to me that their inability to imagine the future is not the only reason we have for considering it okay to eat them. The fact that animals are unable to imagine the future is totally unconnected from the fact that they provide us with nutrition so it is not clear to me why it should matter whether they provide us with nutrition or not when we are trying to decide whether it is okay to kill them.

    Sean mentioned that animals do not kill other animals unless they are some use to them. This is another way in which humans seem to differ from non-human animals. Some humans just enjoying killing other animals and we tend to find such people morally suspect. We say that such people don’t “respect life”. Our critique of people who do not “respect life” might partly be a matter of simple self-preservation. If someone does not “respect life” what is stopping them from killing me?

    I doubt there are very many people who would find it morally okay to go to the pound to adopt animals just to kill them while also having a strong moral aversion to killing humans. It seems likely to me that someone who has no moral aversion to killing animals at all is probably not someone who can be trusted to respect human life either. I don’t think the only reason you would be disinclined to kill your own kittens is because you have an emotional attachment to them (i.e. you would personally suffer or miss them). I think you probably also have a natural aversion to killing them because you sympathize and pity them in some sense. It would seem cruel to kill them. Killing a helpless animals just feels wrong.

    The point I am making is: I think the conclusion that Sean has drawn from his argument is that it is moral to EAT animals but I think the argument he is using to support that conclusion really supports a stronger conclusion, namely, that is is moral to KILL ANIMALS FOR ANY REASON, and since that does not seem to me to accord with our moral intuitions I suspect Sean’s argument is not the whole story about why it is moral (or immoral) to eat animals.

  34. I am not sure if we are supposed to respond to other comments but I feel compelled to respond to this comment from Jason:

    ““Is” can’t prove “ought”. Then 30 minutes later “blacks and women ~are~ underrepresented, so we ~ought~ to….”

    This is clearly not an accurate representation of Sean’s argument for two reasons. First, it misrepresents the factual claim that Sean is making. The factual claim is not simply that women and blacks are underrepresented but that discrimination based on race and gender plays some role in why they are underrepresented.

    Second, I am sure Sean would agree that no “ought” follows directly from that factual claim, but the only other claim you need to derive the “ought” is: discrimination based on gender or race is morally wrong (said differently, there is no moral justification for discrimination based on gender or race).

    So there are really only two statements Sean needs to make his argument:

    1. Discrimination based on gender and/or race plays some role in the underrepresentation of women and blacks (in science and other fields).
    2. Discrimination based on gender and/or race is morally wrong.

    It is very rare to find people who openly disagree with the second statement (the “ought” statement) so in practice the disagreement about this moral question really does boil down to a disagreement about a factual question (statement 1).

    Given that context it is perfectly legitimate for Sean to derive his ought from statement 1 since he is taking agreement regarding statement 2 for granted.

    If you don’t think the ought follows from the truth of statement 1 it must be because you disagree with statement 2. Do you disagree with statement 2 above? If so, you will need to provide a moral justification for why you think it is okay to discriminate against people based purely on their gender or race. Good luck…

  35. If there are certain human qualities that animals dont have that justifies us eating meat then we should be justified in eating humans ( like perhaps 18month old children for example) .This is one of the key difficulties for the justification in eating meat. Whatever quality you think it is based upon , you are going to find humans that dont have it. It seems you recognised this problem and then just brushed it under the table without giving it the attention it deserves. I think if you were to really think about it you’ll realise its near impossible to justify eating animals but not at least some humans. So I would like to know how you would answer Harvard philosophers Robert Nozick challenge ( as i recall it, it was a long time ago I read his work): If we had a farm raising human babies for food , would you be okay with eating them? It seems given your logic you should. Furthermore the problem of suffering was also recognised and then similarly brushed under the table. When animals are killed for food they suffer , it is in a fantasy land only that they dont, so again that should lead you to being a veggie. On animals conceptualising the future I think this story illustrates quite well some advanced capabilities to do this: https://www.theguardian.com/science/2003/jul/03/research.science
    and this may be of interest https://www.cam.ac.uk/research/news/mental-time-travel-in-birds

  36. Brian, I’ll bite on your challenge.

    I agree with statement 1, but statement 2 is stronger than is necessary for Sean to make his argument. You could have a revised statement 2 based on facts alone:

    new 2. Non-merit based discrimination lowers the overall performance of that field.

    From this new #2 you can derive “ought”, e.g. therefore we ought to eliminate non-merit based discrimination. I would argue that your original statement #2 regarding morality is actually a consequence of the facts of the new #2.

    I know Carroll is very skeptical of this Utilitarian viewpoint, but to me it seems far more useful.

  37. Dear Professor Carrol,

    Thank you for outstanding July 1st Podcast. As always, you are an inspiring and engaging communicator and educator. As a non-moralizing vegetarian who cooks meat at home for the rest of the fam (yes, we do exist), I thought you made a distinction that seemed a false dichotomy. To paraphrase, the killing of animals is not a moral dilemma because animals cannot anticipate their demise. Let me say that I do eat fish and if they weren’t so darned slippery, I’d catch them and cook them myself.

    I just don’t want this to be moralizing in any way (let me buy you a steak dinner when you’re in New York)! You also said that calling someone by his or her preferred pronoun was making the world a better place (agree). Can we also agree that people who wish to be called a particular pronoun don’t wish to be called anything else? By extension we can agree that just because an animal doesn’t know it’s about to die, it’s a non-sequitur to say it makes it permissible to end that life. It’s as if I said that it was not a moral issue whether I gave you cancer as long as you didn’t know about it. Perhaps extreme, but the adage that what you don’t know won’t hurt you falls flat. It seems to me that acting rationally (specially in an irrational time) even though one is a speck and only proper governance can truly cure many of our ills, it is still good to do a little good. We must be careful when we say we can only act in ways that affect the larger society (darned, I failed at not moralizing, sorry).

    Recognizing that a life is likely to ‘want’ to continue living, even if it’s a non-memory, in the moment, rudimentary beast way (Bayesan myself, sorry) means we might not want to have such a distinction.

    I realize your thoughts are evolving and I humbly hope to help the evolution of an intellect I admire that is far greater than my own.

    Respectfully and Admiringly yours,

    Alex S.

  38. Hey haven’t read the comments, but you’re actually better than you think you are at talking about this stuff. Maybe get hafstadter on the thing about high concept human morality… Ppl might be selling that guy short…

  39. Thanks for your work. Here is a link to Joseph Heath’s blog post dealing with similar issues. He doesn’t resolve the tension between “conservative” and “progressive” perspectives, but I feel he outlines the tension quite well. http://induecourse.ca/social-constructivism-the-basics/ I would be most interested to hear the two of you discussing this and other issues.

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