I don't think the issue is that I can't tell I'm not learning anything - I think the issue is that I'm inclined to reward things other than teaching me things even in an environment ostensibly about learning.

One of the issues was that, even after Fox had been revealed as a fake, is that people were earnestly interested in the application of game theory to physician education. That is, the amount academics care about various ideas depends heavily on the panache with which those ideas are delivered.