A stereotype like that is unworthy of a thinking being.
Perhaps we should look at it from a different perspective: The professor failed to use the mountain of evidence in his favor in a way that persuaded his students. IOW, the professor failed and is now punishing the students.
Now where have I seen that kind of hypocrisy before? Oh yeah-- The Dems, unable to control their spending, blame the taxpayer for being too greedy.
Don't like it? Transfer to Bob Jones U.