In a previous post, David Deutsch explained why he felt utility was not a good basis for moral justification. I’m going to now give my own thoughts on this, as well as exploring several other possible explanations for morality that ultimately fail. Warning: this is a long post.
I think the problem with a utilitarian approach to morality is that once we boil down morality to utility we’ve effectively created a basis for when we should and shouldn’t follow morality. But this would fly in the face of our moral intuitions which, as I pointed out in this post, by definition we see as applying at all times to all people.
As always, the best way to dismiss an argument isn’t to argue against it, but to follow it to its logical conclusions and see if we can accept them. So let’s follow this through logically and see what plays out. Continue reading

