Here @jburnmurdoch argues that the economic benefit of going to University is all about the economy, not about the education provided by the University
https://www.ft.com/content/649d3c64-b8e5-4979-9f0c-9aebd43642e2
"the graduate earnings premium — and graduate salaries more broadly — are not really telling us about the innate value of studying a particular subject at a particular institution. Instead, they are telling us about the value of those qualifications in a particular economy at a particular point in time."