If you mean using other cultures as costumes, then yes, we can and should give it a rest.

So uh...no one gonna point out that we have a very white cosplayer making her skin darker for this costume?

I think the problem people are having with your argument does not lie in the science behind it but rather the societal point of view. Okay so men and women have different anatomy that may or may not give one the athletic edge, lets forget that for now, if we are going to continue to use this outdated binary system to…