There is a light said:
No way, they should send them all to University. Not sure how Neil would manage to get in though.
You've clearly never been to Uni! I shared a House with a PE Student who had managed to blag a place on the Course because he was good at Sport and could represent the University. I failed my A-Levels yet still got in to a Poly.
It's definitely the right thing to finish a Sitcom before it becomes stale. I cite you Fawlty Towers over Only Fools & Horses. Need I mention The Simpsons?