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The way I think about it is that we're already making decisions like this in our own lives. Imagine a teenager who gets a summer job so they can save for a PS5
by 0xDEAFBEAD 2y ago
The way I think about it is that we're already making decisions like this in our own lives. Imagine a teenager who gets a summer job so they can save for a PS5. The teenager is making an implicit moral judgement, with themselves as the only moral patient. They're judging that the negative utility from working the job is lower in magnitude than the positive utility that the PS5 would generate.
If the teenager gets a job offer, but the job only pays minimum wage, they may judge that the disutility for so many hours of work actually exceeds the positive utility from the PS5. There seems to be a capability to estimate the disutility from a single hour of work, and multiply it across all the hours which will be required to save enough.
It would be plausible for the teenager to argue that the disutility from the job exceeds the utility from the PS5, or vice versa. But I doubt many teenagers would tell you "I can't figure out if I want to get a job, because the utilities simply aren't comparable!" Incomparability just doesn't seem to be an issue in practice for people making decisions about their own lives.
Here's another thought experiment. Imagine you get laid off from your job. Times are tough, and your budget is tight. Christmas is coming up. You have two children and a pet. You could get a fancy present for Child A, or a fancy present for Child B, but not both. If you do buy a fancy present, the only way to make room in the budget is to switch to a less tasty food brand for your pet.
This might be a tough decision if the utilities are really close. But if you think your children will mostly ignore their presents in order to play on their phones, and your pet gets incredibly excited every time you feed them the more expensive food brand, I doubt you'll hesitate on the basis of cross-species incomparability.
I would argue that the shrimp situation sits closer to these sort of every-day "common sense" utility judgments than an exotic limiting case such as torture vs dust specks. I'm not sure dust specks have any negative utility at all, actually. Maybe they're even positive utility, if they trigger a blink which is infinitesimally pleasant. If I change it from specks to bee stings, it seems more intuitive that there's some astronomically large number of bee stings such that torture would be preferable.
It's also not clear to me what I should do when my intuitions and mathematical common sense come into conflict. As you suggest, maybe if I spent more time really trying to wrap my head around how astronomically large a number can get, my intuition would line up better with math.
Here's a question on the incomparability of excruciating pain. Back to the "moral judgements for oneself" theme... How many people would agree to get branded with a hot branding iron in exchange for a billion dollars? I'll bet at least a few would agree.
- hansvm 2y ago> How many people would agree to get branded with a hot branding iron in exchange for a billion dollars? Temporary pain without any meaningful lasting injuries? I do worse long-term damage than that at my actual job just in neck and wrist damage and not being sufficiently active (on a good day I get 1-2hrs, but that doesn't leave much time for other things), and I'm definitely not getting paid a billion for it.
- 0xDEAFBEAD 2y agoSorry to hear about your neck and wrist. I like this site: https://www.painscience.com/ https://www.painscience.com/ This article was especially helpful: https://www.painscience.com/tutorials/trigger-points.php https://www.painscience.com/tutorials/trigger-points.php I suspect the damage you're concerned about is reversible, if you're sufficiently persistent with research and experimentation. That's been my experience with chronic pain.
- sixo 2y ago> The teenager is making an implicit moral judgement, with themselves as the only moral patient. No they're not! You have made a claim of the form "these things are the same thing"—but it only seems that way if you can't think of a single plausible alternative. Here's one: * Humans are motivated by two competing drives. The first drive we can call "fear", which aims to avoid suffering, either personally or in people you care about or identify with. This derives from our natural empathic instinct, but is can be extended by a socially-construction of group identity. So, the shrimp argument is saying "your avoiding-suffering instinct can and should be applied to crustaceans too", which is contrary to how most people feel. Fear also includes "fear of ostracization", this being equivalent to death in a prehistoric context. * The second drive is "thriving" or "growing" or "becoming yourself", and leads you to glimpse the person you could be, things you could do, identities you could hold, etc, and to strive to transform yourself into those things. The teenager ultimately wants the PS5 because they've identified with it in some way—they see it as a way to express themself. Their "utilitarian" actions in this context are instrumental, not moral—towards the attainment of what-they-want. I think, in this simple model, I'd also broader this drive to include "eating meat"—you don't do this for the animal or to abate suffering, you do it because you want to: your body's hungry, you desire the pleasure of satiation, and you act to realize that desire. * The two drives are not the same, and in the case of eating meat are directly opposed. (You could perhaps devise a way to see either as, ultimately, an expression of the other.) Human nature, then, basically undertakes the "thriving" drive except when there's a threat of suffering, in which case we switch gears to "fear" until it's handled. * Much utilitarian discourse seems to exist in a universe where the apparently-selfish "thriving" drive doesn't exist, or has been moralized out of existence—because it doesn't look good on paper. But, however it sounds, it in fact exists, and you will find that almost all living humans will defend their right to express themselves, sometimes to the death. This is at some level the essence of life, and the rejection of it leads many people to view EA-type utilitarianism as antithetical to life itself. * One reason for this is that "fear-mode thinking" is cognitively expensive, and while people will maintain it for a while, they will eventually balk against it, no matter how reasonable it seems (probably this explains the last decade of American politics).