I'm sure they give a reasonable introduction to the material, but that's not how they profile themselves at all.
It's an inverted lemon market. Instead of the lowest price winning, it's the highest price that still generates a just large enough elitist club. But the product is not education, the product is the elitist club.
Exactly what you'd expect for the business side of companies. These people are as suitable for management as high heels are for walking, in the same way.