There are many more people who would buy a Princeton diploma without a Princeton education than the reverse. Universities put a lot of effort into stopping peop

There are many more people who would buy a Princeton diploma without a Princeton education than the reverse. Universities put a lot of effort into stopping people fraudulently claiming to be graduates but ~no effort into stopping people from attending classes without paying for them. Universities are about a combination of education and certification but the certification is overwhelmingly what people pay for.