I think that influence is a handful of classes at best. Unless you’re suggesting that every university in the United States has no educational value anymore, and has been replaced with a Fox News caricature?
Not at all.
>I think that influence is a handful of classes at best.
I'd say its less about specific courses than the culture and peer pressure to conform to pretty extreme positions.
E.g. its hard to even debate ideas when they are explicitly or implicitly forbidden to even bring up. https://www.fire.org/college-free-speech-rankings