Oh, I misread. Well, my point still stands in other games were the sex is only given away by the character.
Forgive the brief reply, but I'm entering this on a smartphone.
This is an important matter, and you clearly haven't got it yet. Think about it for a while. If, after some reflection, you still don't see why your point doesn't stand, post a reply, and I'll explain when I'm sitting at a keyboard.