People need to get over the all things equal crap. There are things I cannot do. Not because I'm a girl, but because of my size, stature, strength, even age (that's a hard one to admit). There are men my size that cannot do the same things. As I tell my son, be happy with who you are, do the best with what you've got, and enjoy what makes each of us different.
^^^^^ This. She can't do what is required, so why should she get to be on the team. Sure she could be motivational on a sideline, but so could just about anyone else.
Regardless of what anyone or thing may tell you, we are all in fact very unequal. Shame on her parents for letting her think that the world will bend to her wants.