Err… I agree. I said that choosing a morality is outside the scope of science. But I agree that science can (and probably should) study morality. See Eliezer Yu

Err… I agree. I said that choosing a morality is outside the scope of science. But I agree that science can (and probably should) study morality. See Eliezer Yudkowsky, who is trying to build a Friendly AI. He will probably need a complete theory of Intelligence and Morality to do that. Your other points are related to http://wiki.lesswrong.com/wiki/Anti-epistemology http://wiki.lesswrong.com/wiki/Anti-epistemology and http://lesswrong.com/lw/of/dissolving_the_question/ http://lesswrong.com/lw/of/dissolving_the_question/ (I suspect you know about these, but others may find them interesting.)