This article from The Chronicle of Higher Education is focused on the US system where students can run up debts of over $100k in the course of their degrees, however, a lot of the discussion is relevant to European educational systems as well.
[Frances Bronet’s] department surveyed engineering alumni, asking what they felt they had missed in their education. Graduates who were a year out of college wished they had gotten more technical skills. Those who were five years out wanted more management skills. But alumni who were 10 to 20 years into their careers wanted more cultural literacy, “because they were traveling all over the world, working with cultures they never experienced before,” she says.