I think this is a bit of a reductive -- and likely inaccurate -- approach, as university is (a) not seen by everybody as purely vocational training and (b) may

I think this is a bit of a reductive -- and likely inaccurate -- approach, as university is (a) not seen by everybody as purely vocational training and (b) may have benefits that aren't as easily quantified. For my part: I'm a high earner in a technical field who has a B.A. in English literature, despite having intended to major in computer science. My field of study helped me become more open-minded, improved my writing skills, and helped me to develop soft skills, all of which have been more helpful to my career than my technical skills (based on my own observations and feedback from peers and managers). University can be a transformative experience if not treated as vocational training; but that's also a good argument for increased vocational training and less emphasis on attending university.