D.s in business manage to repackage the most glaring examples of common sense and the obvious in so much math and psychology mumbo jumbo that the uninitiated are actually, if only temporarily, fooled into thinking that something profound is going on.
If you are looking for a Zuckerberg legacy it will be found there, long before he learns how to use foreign ATMs. Facebook has provoked us into thinking about a social work place and its impact is profound.