Hello jbrenner,
I caught this story too. Sad. The professor's opponents are in the wrong school. Someone should give them directions to The World Is All Sunshine and Lollipops Academy...
Regards,
O.A.

Sounds like the inquisition with safe spaces.

Apparently, these are not students in the class, but students who view it as their job to shut down "dangerous" discussion and invade the class to do so.

On a long walk off a short pier.

As Truman said "If you can't stand the heat, get out of the kitchen." If you don't like the class get out of it. You know what you're getting into when you sign up. I mean the professor had been teaching the class for 30 years so it had o be known what it entailed and what was expected.
Hey student's "Grow up and face reality".

University students who view it as their mission to silence topics they disapprove of should be invited to go on a mission somewhere else.