hairyfigment comments on Welcome to Less Wrong! (7th thread, December 2014) - Less Wrong
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Okay, I guess I'm still confused. So far I've loved everything I've read on this site and have been able to understand; I've appreciated/agreed with the first 110 pages of the Rationality ebook, felt a little skeptical for liking it so completely, and then reassured myself with the Aumann's agreement theorem it mentions. So I feel like if this utility theorem which bases morality on preferences is commonly accepted around here, I'll probably like it once I fully understand it. So bear with me as I ask more questions...
Whose preferences am I valuing? Only my own? Everyone's equally? Those of an "average human"? What about future humans?
Yeah, by subjective, I meant that different humans would care about different things. I'm not really worried about basic morality, like not beating people up and stuff, but...
I have a feeling the hardest part of morality will now be determining where to strike a balance between individual human freedom and concern for the future of humanity.
Like, to what extent is it permissible to harm the environment? If something, like eating sugar for example, makes people dumber, should it be limited? Is population control like China's a good thing?
Can you really say that most humans agree on where this line between individual freedom and concern for the future of humanity should be drawn? It seems unlikely...
By definition, you can only care about your own preferences. That being said, it's certainly possible for you to have a preference for other people's preferences to be satisfied, in which case you would be (indirectly) caring about the preferences of others.
The question of whether humans all value the same thing is a controversial one. Most Friendly AI theorists believe, however, that the answer is "yes", at least if you extrapolate their preferences far enough. For more details, take a look at Coherent Extrapolated Volition.
That is definitely not the idea behind CEV, though it may reflect the idea that a sizable majority will mostly share the same values under extrapolation.