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Silas Abrahamsen's avatar

Finally got around to this. I really enjoyed this, and always like getting this kind of engagement!

I suppose my overall response would be that, yes, it would probably be good for you to get wire-headed.

First a small clarification: You say that I would have no measure to say that post-jack is worse off than pre-jack. I wouldn't exactly say that. Rather, the measure is total preferences satisfied/thwarted, weighed by their intensity. So if pre-jack has 10 medium-strength preferences satisfied, and post-jack has 5 satisfied, I would be better off as pre-jack--so we can measure across sets of preferences (assuming that there is a meaningful way of comparing strengths of preferences across pre- and post-jack).

I don't know if you meant what I read you as saying, but I just wanted to make sure we didn't misunderstand each other :)

Anyways, as I said, if you really get more preferences satisfied as post-jack, then I do think it's better for you to get wire-headed than not. Let me give a case that might make this less counterintuitive:

Suppose I hate mushrooms and love liquorice. Liquorice is hard to get ahold off, but mushrooms are easy. That means that I would have more preferences satisfied if I liked mushrooms.

One day I hit my head, making me suddenly have the reverse preferences. Was this good for me? It seems very much to me like it is! I can now satisfy my preferences much more and easily than previously. Prior to hitting my head, I might have some revulsion to the thought of hitting my head like this, as liquorice is so tasty and mushrooms suck--but this is me failing to realize that my preferences would be better satisfied by hitting my head.

Now, we can gradually increase the scope of which preferences are changed until we get to wire-heading. It seems to me that the above should generalize to this.

I think you are correct to locate the instinctive negative reaction to wire-heading at my current preferences. I simply implicitly consider post-jack through the eyes of pre-jack, and from that perspective the life of post-jack looks very bad. However, if I were behind a kind of veil of ignorance about my preferences, it seems like I should and would hope to be born as post-jack over pre-jack.

On top of that, some of the examples you give of what post-jack likes are ethically questionable. You stipulate that they don't result in bad, but still I think it affects how we look at the case. However, how we account for "evil preferences" will plausibly be a question for ethical theory, not for theory of welfare--it really is good for the pedophile to watch child porn (all else being equal), even if we should not want our ethical theory to count this as a good thing. This further defeats the intuition in this case, I think.

Now, maybe I'm sort of stretching the idea of me preferring one life over another: It's not necessarily that if I'm given the choice between being wire-headed or not, I'd necessarily choose to be if it'd be better for me. Rather, the idea is that it would better align with my preferences to be wire-headed than not (where "my preferences" doesn't rigidly designate my current preferences, but non-rigidly designates whatever preferences I'd have in each scenario).

This is similar to how I account for things like drug addictions. It's not that crackhead-silas would choose rehab over a dose of heroin if given the choice. Rather, I'd prefer rehab in the sense that it'd better satisfy my overall preferences--perhaps after my preferences being remoulded through rehab. And for this reason it's better for me. I should thus prefer it, only because I in some sense do prefer it.

This is in contrast to something like objective list theory, where what's best for me might really fit worse with my preferences whatever they turn out to be.

Again, thank you for the thoughtful response!

(P.s. I'm not sure I quite understand the point you make in the very last paragraph).

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Ali Afroz's avatar

I feel that if your preferences are altered so drastically, the person that results can’t be considered to be the same individual. Even if you disagree, I don’t think their life is actually going badly in any sense, it’s just that your preferences being altered was very bad from the point of view of your past self and it’s bad incentives to let people modify your motivational system and then use is an excuse to not change you back. This doesn’t require you regard the altered version as a different person only that you agree that your past and future self can have conflicting preferences and both these preferences carry some moral weight. Certainly, if somebody used a machine to create an exact copy of what you would be like if your motivational sister was so altered, then this created individual would not have a life that was objectively going bad in any sense. The only way your example is different is because your past self is altered so it’s not just a creation of someone with strange preferences but also the deletion of a lot of your beloved preferences.

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