My point is that contrary to what you have been saying, it is possible to plan separation and mask usage in the general student population to minimize virus spread. Schools might not be able to enforce it. Schools have zero authority to enforce it off campus. However, there can actually be plans for minimization.
In football it is impossible to develop a plan to minimize virus spread for players. Linemen are pushing each other all game long. Running backs and linebackers are hitting and tackling each other all game long. maybe the punter and place kicker have minimum contact as long as they aren't blocked or roughed, but that is about it. Symptom checking and virus testing is not working to prevent spread in MLB. A real isolation bubble does appear to be working for the NBA, but I haven't heard any football program that is proposing such a thing.
No plan for playing football is safer than the plan for the general student population. If players are not playing, and are following the mask and separation recommendations they will be safer than if they were playing football. There is no guarantee that students will follow the rules. There is no guarantee that every football player on a team will follow the rules either. If one lineman doesn't follow the rules, then it is likely that even the linemen who have been following the rules will get infected.