Well said. I still do think that these type of questions are worth exploring, since biological determinism continues to be used to justify misogyny and other nasty things. And there isn't necessarily an overwhelming amount of evidence to support these theories.

But you're absolutely right, just because something might be 'natural', that doesn't mean we must deem it morally acceptable. Even if we were all programmed to be hateful jerks, we can - and should - know better than to act on it.