"Uh, Jerry? The patient that just left Room 4--did you tell her that if she switches to something else without a gradual phasedown on [drug], it could kill her?"
"Huh? Oh, the [drug]? Sorry; I only had eight years of college and two years of residency so far."
"Are you going to call her?"
"Wha...? Oh, the lady with the [drug]. Uh, the guy at CVS'll probably tell her."
The further divorced functionaries become from the knowledge that is supposed to be guiding them, the more mystical their knowledge, and the more revered they have to be. The more people fear reading the Bible for themselves or duplicating experiments in an independently verifiable fashion--the essence of science--the more power god-kings gain.
Of course, the organic chemistry graduate students won't do very well if they can't understand basic statistics, but they tend to be way ahead of the MDs.