User blog comment:IamJakuhoRaikoben/Chapter 388: Erza vs. Minerva, Review./@comment-3987368-20140613072035/@comment-7418318-20140613123440

I don't think it has anything to do with gender. The vast majority of anagonists turn good in FT and with there being more males antagonists, there are bound to be more "unrepentant" male antagonists too.