And yet no one ever seems to be able to actually define a better moral decision making process or describe what the argument defeating "complexity" actually is. Just a longer way of saying "I disagree."
What is the evidence that we actually truly know what is most effective in a lot of situations? If "effectiveness" is just a hypothesis then the whole thing becomes quite shaky in terms of resource allocation.
I think the OP is being unfair to Will and EA, but your statement is pretty outrageous. No one's ever come up with a moral or political philosophy other than utilitarianism - are you serious?