From a Yale's perspective they don't mind that some rich student is cheating if they are not blatant, because it does not harm the school's reputation to let them relative to the benefit of having that type of student graduate. Having an football player cheat at Virginia Tech is inline with the schools larger goals relative to having that student fail.

Now all schools are going to make a pretense of an academic honesty policy, but some schools actively use that as a screen to let students cheat their way to C's.

Edit: I still think cheating harms fellow students, but plenty of schools let fairly rampant cheating go on for years.