I disagree. I had a number of tenured professors who absolutely did not give AF. They were openly hostile and put in the barest minimum to teaching, because as

I disagree. I had a number of tenured professors who absolutely did not give AF. They were openly hostile and put in the barest minimum to teaching, because as they told us, they would rather be doing research. I attended a research university, and that's cool and all, but the job of a professor should be to teach, and research should be second. In my humble opinion, that has been turned around. So we do have a lot of tenured professors, essentially immune from their core responsibility, slowly phoning it in as they prioritize research over lecture.