Near as I can tell, he's a guru for the "my job is business" crowd, whose books are a fancy version of "Where's My Cheese", and his primary value is the courtier's skill of selling people's own ideas back to them in fancier (but not too fancy) words.

“courtier” is such a good word for it, wow. I’m used to the NYTimes and NYMag stabling those types of flattering yeasayers, but somehow still disappointed at the New Yorker for tolerating his antics

The entire point of “Outliers” was that the “self made man” is a myth, that it takes luck as much as anything else.