Earlier quoted context omitted.
From my own experience, no, at the top universities the upper middle class demographic is far more concerned about lining up high paying jobs, networking, and/or working on their general social status than any sort of political activism at all. The activism comes from other groups, if even then. Maybe at small liberal arts colleges or less elite institutions your viewpoint might be true, but I can't speak for that.
Reading this I can't help but wonder where people graduating from Oberlin get jobs. Maybe as political campaign people or marketing or something? Just picturing someone walking into a large cement plan for an interview. "Why yes, I do believe I can pull this company into the black within 3 quarters. As you see I have a degree from Oberlin college...". Point being, graduating from there seems it could be not a positiv…
Our perception through the process of researching many colleges, was that the SLACs (small liberal arts colleges) tended to be relatively weak in subjects that tend to lead directly to employment, and that students in those subjects expected to attend graduate school by default. My kid expects to attend grad school, so that's one data point, but I also saw it when I was in grad school. A disproportionate number of my classmates were from SLACs, including myself.
It might not be too much of a stretch to say that the SLACs are feeders for graduate schools. Once you have a graduate degree, your choice of undergraduate college is water under the bridge, though the loans might not be.