I'm curious how many schools this is actually true for. I played football 'back in the day'; but despite winning our district/traveling mid-state for playoffs; I never felt like the team got any special treatment. We showed up an hour before school for weights and stayed a few hours after every day + Saturdays; ~nothing mid-day at all outside of the Misc rally the entire school attended.
Presumably the space and facilities to train, both outside and inside, the time of dedicated teachers/coaches and travel costs (speculating) might all be considered special treatment.
I think physical activity in school is important; but you could definitely argue that these are special treatment.