That also goes for 'Transamerica,' another winner last night (loser actually). One can mutilate their genitals all they want and dump themselves with hormones but that does not change a single chromosome.
They just wanted to do something shocking and weird that hasn't been done before, so they thought, "What are the two most opposite things in the world?" "Oh yea! A queer and a cowboy!" "Let's make a movie about queer cowboys and see how many people we can make angry."