What about people who go to university just to waste another 3-4 years of their life? People are less likely (it still happens, but less likely) to go to university for the 'lols' if they have no real interest in the subject they're studying. It's less fair on the people who come from poor...
Let's not forget the people who really helped end the Second World War. The code breakers at Bletchley Park, not only did some of the first computer scientists break the Enigma code. The first computer was invented in Britain designed to break the Lornez Cipher. Without the first computer...