The other side of this is that it is brutally hard to obtain a post as a professor at a university (way more supply than demand), and professors having no prote

The other side of this is that it is brutally hard to obtain a post as a professor at a university (way more supply than demand), and professors having no protections at all might find themselves moving all over the country for whatever posts they can find when they get fired by some well-connected student who didn't like them saying the word "gay" or something.