Exactly. My brother cut short his PhD and got a M.S. when he realized the life of a professor was basically being a manager with employees that were harder to fire. If he wanted to be a manager, he'd have gotten an MBA.
Yes; it leads to unexpected consequences. The worst students are the ones the that the professor has the most incentive to graduate. So paradoxically the better you are, the less likely you are to be done quickly.
