Compounding this is that when men are subjects and women are objects in a rationalist forum, this draws on some long-standing tropes about men being essentially more rational than women.
Of course, that leads to offenders trying to assert status by accusing offendees of status-assertion (because we regard status-protection as more worthy than status-assertion), and round and round we go.
Part of the issue is that, even when the hurt is minimal, it's a decision that one's own self-interest outweighs the harm to someone else, and as humans we're not very good at making that calculation objectively.