If they can play nobody will care.
That may be true in the PC world, but reality is a bitch. Let's see what the players' reactions are on the field and in the locker room showers. Or how the fans will react if the player is on the opposing team. Is the NFL going to ban anti-gay rhetoric?
I see the same kind of mentality that dictates women in combat and gays openly serving in the military. There will be reactions no matter how much those in charge try to eliminate it.