It's kind of funny how a summer project of 3 students lets the effort of a backed SV startup look like a project from a 13 year old child.

I mean what are "knowlabs" even contributing here? The Videos are hosted on Youtube and recorded using... PAPER???

Ok you might say: but there are quizzes!! Those quizzes are the least userfriendly quizzed I've seen in my life. ML & DB-class are way ahead on this front.