George C. Leef writes,

we waste resources on a more extensive higher education system than is
necessary. We employ more professors, administrators, and support personnel than would be the case if individuals were not subsidized and prodded to attend college.

The article is a long survey, so it is not easy to excerpt. I mention it because many politicians and pundits are arguing for more mass higher education, and yet sober analysis appears to suggest that we already have too much.