The basic thesis is that consequentialism is the only system which both satisfies our moral intuition that morality should make a difference to the real world, and that we should care about other people.
Why am I supposed to adopt beliefs about ethics and decision theory based on how closely they match my intuitions, but I am not supposed to adopt beliefs about quantum physics or cognitive psychology based on how closely they match my intuitions? What warrants this asymmetry?
Also, your FAQ lacks an answer to the most important question regarding utilitarianism: By what method could we aggregate the utilities of different persons?
Why am I supposed to adopt beliefs about ethics and decision theory based on how closely they match my intuitions, but I am not supposed to adopt beliefs about quantum physics or cognitive psychology based on how closely they match my intuitions? What warrants this asymmetry?
Also, your FAQ lacks an answer to the most important question regarding utilitarianism: By what method could we aggregate the utilities of different persons?