To continue with the "math" digression, I majored in Mathematics in college, and have BS and MS degrees in Math. I never had a bad professor in any math course I took, and definitely never one taking the entire class time to discuss one equation. To me, that would have been counter-productive.
On the other side, I used to teach Mathematics part-time at some schools (mostly community colleges), and I also never pulled such a stunt. Unfortunately, as time went on, the students wanted to do less and less work, and began to feel more and more entitled to being "rewarded" for not doing much. I did not succumb to that, but it sure was disappointing. I have so many stories I could tell!
Last edited by MartyByrde; 01/07/21 02:14 AM.