Girls in MMO's aren't actually designed for girl players. They're made for creepers to creep out on. And give bimbos something new to cosplay as... which in turn is to give creepers something to creep out on.
It's a vicious cycle that I don't participate in because it's aggravating, obnoxious, presumptuous, and idiotic. But mostly, I don't play MMO's because they're frigging boring, once you get past all the half naked elf bimbos.