I had pretty uniformly positive experiences with him as both a student and a TA for one of his classes, but the very important bit of context there is I was a s

I had pretty uniformly positive experiences with him as both a student and a TA for one of his classes, but the very important bit of context there is I was a student who did well enough in his class to be asked to TA. In retrospect I can remember him being pretty awful to some of the other students.