He's got a point, and I studied at a top business school. The points he makes are mostly valid. Not sure if he mentioned this one, though: The existence of business schools gives society the unjustified idea that there are positions for which business graduates are better suited than most other people. To compare, medical schools do the same but it is justified. I wouldn't have surgery performed on me by someone who…
"So why do I think this? When I studied the business school, it was just very weak intellectually. Kinda like watching documentaries all day; interesting, makes you think you understand something, but ultimately superficial. Reading about Betamax vs VHS is the same; you think you're gaining insight as you do it, but there's nothing really deep in there. There's not really a method or organising principle to decision…
And I saw it first hand as a tutor. I had someone ask me to explain graphs to them.