[webnrrd2k]

This is the result of a single person on the internet, who was not chosen randomly. it's not a fair characterization to call this the product of some random person on the internet. You can't just choose anyone on the internet at random and get results this good.

Also, according to his home page, Mr. Bycroft earned a BSc in Mathematics and Physics from the University of Canterbury in 2012. It's true that this page isn't the direct result of a professor or a university course, and it's also true that it's not a completely separate thing. It seems clear that his university education had a big role to play in creating this.