In 1977, my grad school economics professor was essentially fired for “failing too many students.”
He did not, of course, fail ANY student! The “failed” students were not willing to do the word necessary to pass.
I took a business law course in college. The end grades looked like a reverse bell curve. About 1/2 the class failed and the rest did very well. He warned us about that on day one. He was a real hardass, but 40 years later, I remember his course and what I learned.