in a general sense I agree with the OP’s thoughts about college. Outrageously expensive and rising in price far faster than inflation. Anecdotally I can say that it does seem to be very true that many, I mean at least a large minority, of grads are working at jobs that do not require a college degree. Off the top of my head- they are working at check-in for Planet Fitness, short order cook, Check-out counter at WE Got Soccer, on and on. That’s a real phenomenon whether or not Op provides a link to a supporting piece of literature. Grads are coming out with crushing debt and colleges in general should be more up front about what grads can realistically expect to make upon graduation.
Colleges and Universities and their professors are overwhelmingly liberal. No supporting literature should be necessary for that but you can search the internet for studies and polls that will prove it.
Finally, @Sue22 , since outrageous prices for college are nationwide and now even public schools are quite expensive, it is difficult if not impossible to “vote with your feet” as you imply.