但是美国蠢人很多，以为大学球队赚钱

Yes, 

most college sports teams and athletic departments lose money, with only a small fraction of elite programs and a select few sports (primarily football and men's basketball) generating profits that are often insufficient to cover the widespread deficits from other sports. This financial reality means that many universities, including powerhouse programs, operate athletic departments as cost centers, relying on student fees, university funds, or donations to subsidize losses.