I mean, MIT, Harvard, LSE, Chicago and others have Econ course lectures on YT. You can watch lectures from lecturers that students at these institutions have trouble getting access to.
Don’t be so sure that you can’t learn from the absolute best on YT.
A YT video does not give you assignments, reading lists or office hours to ask questions in.
I'd question the value of OCW-only autodidacts, in much the same way I would someone who claimed fitness training is unnecessary because he already knows about proper form having Arnold Schwarzenegger's VHS workout tapes.
YouTube's best and the best that are on YouTube mean something different to me. The latter being MIT, Harvard, LSE and Chicago's best on YouTube and the former youtube.com/econonomydude.
Don’t be so sure that you can’t learn from the absolute best on YT.