to be fair
https://www.youtube.com/user/khanacademy/playlists
the Khan academy on you tube is a mooc
( massive on line observation course)
and is the brilliant movement to make education available to anyone with an internet link.
Yale Davis and lots of others do this
including MIT - and you know you have to have the IQ of someone like Stephen Hawking to understand one of the MIT lectures - early ones that is!
but you dont get the examples classes, recitations, homework, problem sets, and so on which add up to around $50k y-1