The problem is that universities are neither trade schools nor a place to broaden your horizons. It is a way to get a credential that you can use to signal your

The problem is that universities are neither trade schools nor a place to broaden your horizons. It is a way to get a credential that you can use to signal your worth on the job market. If testing your skills was done outside of school GRE-style, would all these people who pay many thousands of dollars to get a diploma pay so much? I really doubt it.