The "corporate job" can be understood as the automatic result of abandoning the perspective that managers must be subject-matter experts in order to be able to inspect work-product. In fact, they must know more than any of their subordinates, else accountability collapses, leaving a vacuum that is filled by pantomime.
Off topic, but: Is Alex McCann someone that I should know who they are, that adding their name to the title increases the credibility or click-through rate?