Male players can play female characters and female players can play male characters.
Those who complain about that only prove they dont understand what the term "roleplaying" even means.
Yeah, people say that. I still find it odd. I'm pretty sure I'm not alone. I think most people just sort of smile and nod when it happens to be polite. But who knows, maybe I'm wrong. Shrug. There's no law against it. Definitely not for me, though.