I can't speak on other countries since they have different laws than America, and I never been there.Fearing for your wellbeing is a major reason, smarty pants. Go on a vacation to morocco, Egypt, India, (or wherever) as a female and you can't help but feel like you're in danger. And that is not the case if you switch gender in such situations.
So like should female murderers punishment be less since the threat happens less as opposed to male murderers? How about sexual crimes? These instances happen, and the punishment varies greatly and some argue that *** effects these outcomes.