"His examples are not well planned. His pacing is inconsistent...The numbers don’t work out nicely for the first example. The last example also doesn’t work out well. He skips from an easy concept to a hard one with no transition. Also, there is absolutely no interactivity."
That's what Gary Rubenstein has to say in his post about the over-enthusiasm for Kahn's lessons and the exclusion of other, potentially better examples of video teaching.