Watch: Trash-Talking Female Boxing Champ Gets Knocked Out By Average Male Fighter

The root origin of the controversial inclusion of trans (male) athletes in women's sports was the argument by third-wave feminists that women and men are similarly biologically capable.  It is a trope that has infested every corner of entertainment media for years, so much so that many women have convinced themselves that it is true – Feminists really believe that males and females are physically equal.