On the one hand, who cares if two years from now a game is retroactively forfeited. But there could also be (in this case, likely mild) institutional penalties and there's a pretty clear electronic trail here.
Asked for donations using an account that clearly IDs them as BYU football players, didn't provide any value for said donations. It's possible (albeit unlikely) that the donations didn't come from BYU fans, but I don't know who else (besides family, former teammates etc) would follow a BYU fullback