I always see people saying that sports is financially positive on its own, but my actual experience is a ~10% tuition hike to subsidize sports expansion, so ...
Without knowing how much sports revenue offsets tuition, which I just showed you how to investigate, your 10% anecdote from millions of college students is irrelevant. It’s both possible sports offsets your tuition by 30%, and later you saw a 10% raise, but until you compute that initial offset your 10% gripe is meaningless.