humans are exactly as moral (and as rational) as they can by given their own brains
I’m not sure of that (unless you use a very restrictive definition of can which in a deterministic universe would make it synonymous with are, but down that path Fatalistic Decision Theory (“choice is futile”) lies).
Nope, I’m talking about the humans’ in questions subjective “nows”, not their futures. Although if a person isn’t particularly rational and has never heard of rationality and if you mentioned it to him he wouldn’t feel particularly motivated to become more rational has a pretty irrational-looking future, and in such case there’s no choice to make, no will, only a default path.
I’m not sure of that (unless you use a very restrictive definition of can which in a deterministic universe would make it synonymous with are, but down that path Fatalistic Decision Theory (“choice is futile”) lies).
Nope, I’m talking about the humans’ in questions subjective “nows”, not their futures. Although if a person isn’t particularly rational and has never heard of rationality and if you mentioned it to him he wouldn’t feel particularly motivated to become more rational has a pretty irrational-looking future, and in such case there’s no choice to make, no will, only a default path.