> people mostly just care about being able to put food on the table, pay rent, and being able to save up enough to be able to support a family and buy a house.
I think that's what capote is frustrated with.
College (traditionally, at least in the U.S.) is one of the only spaces that encourages young people to have dreams at all. It provides an environment where becoming radicalized is accepted as a norm, where young people can dream of a life and of a society other than the status quo.