During a recent discussion with komponisto about why my fellow LWers are so interested in the Amanda Knox case, his answers made me realize that I had been asking the wrong question. After all, feeling interest or even outrage after seeing a possible case of injustice seems quite natural, so perhaps a better question to ask is why am I so uninterested in the case.
Reflecting upon that, it appears that I've been doing something like Eliezer's "Shut Up and Multiply", except in reverse. Both of us noticed the obvious craziness of scope insensitivity and tried to make our emotions work more rationally. But whereas he decided to multiply his concern for individuals human beings by the population size to an enormous concern for humanity as a whole, I did the opposite. I noticed that my concern for humanity is limited, and therefore decided that it's crazy to care much about random individuals that I happen to come across. (Although I probably haven't consciously thought about it in this way until now.)
The weird thing is that both of these emotional self-modification strategies seem to have worked, at least to a great extent. Eliezer has devoted his life to improving the lot of humanity, and I've managed to pass up news and discussions about Amanda Knox without a second thought. It can't be the case that both of these ways to change how our emotions work are the right thing to do, but the apparent symmetry between them seems hard to break.
What ethical principles can we use to decide between "Shut Up and Multiply" and "Shut Up and Divide"? Why should we derive our values from our native emotional responses to seeing individual suffering, and not from the equally human paucity of response at seeing large portions of humanity suffer in aggregate? Or should we just keep our scope insensitivity, like our boredom?
And an interesting meta-question arises here as well: how much of what we think our values are, is actually the result of not thinking things through, and not realizing the implications and symmetries that exist? And if many of our values are just the result of cognitive errors or limitations, have we lived with them long enough that they've become an essential part of us?
Depends how you define 'heartless bastard'. The attitude denisbider describes is actually more compatible with specific, personal acts of kindness than hardcore utilitarianism. Accepting that empathy and compassion evolved to deal with small groups and embracing it means you don't have to feel bad about helping someone you have direct contact with because your help would be more 'effective' from a utilitarian perspective if directed towards a stranger who is objectively worse off.
A consistent utilitarian might, for example, refuse to contribute to a charitable collection to pay for treatment for a co-worker's child's leukemia treatment because that money would save more lives if used to help starving children in Africa. Most people would view that as being more of a heartless bastard than someone who contributes but doesn't donate much if anything to African aid. I happen to think that the majority opinion is right in this case and the utilitarians are the ones who are both wrong and horribly confused.
You don't have to feel bad about it in any case. Decision theory and emotions are different things.
(Previous comment on this.)