As the late,great George Carlin would say, "There's no reason for it, it's just our policy".
Sounds like one of those "rules" that needs about 4 minutes of common sense time to re-write so that "who cares?" things like this can take place within the parameters and simple steps that these schools and officials took to make it happen.
- Hey Bob, we want to wear white jerseys for our home game against you. Ok with you guys?
- Yes, that's fine. We may do the same with you next season. I just gotta give myself a reminder to wear our home jerseys that night.
- See ya at the Christmas party.
- Not if I see you first. Have a good one.