I'm in complete agreeance with this. I notice a difference in behaviour of "working class" vs "white collar" cultures but this difference isn't due to university, it's due to different cultures as adults. In my 20's I'd rarely meet someone intellectual through my professional circles, everyone that age simply wanted to go do drugs at music festivals, talk about the boring reality TV, etc. I know/knew people in academia, however, and this was the one area of my life where people largely had intellectual interests.