It's called 'dumbing down' the curriculum. One can't expect as much from them. You see, the courses are divided into 'reading' and 'writing'. The reading ones can demand that the students read up to 12 novels in a full-year course, but they would write exams or short pieces in preference to essays -- perhaps do 1 essay per term. The 'writing' courses can demand more essays, but I don't think anyone does more than 2 in a half-term, and lots of little pieces to develop skills.
There is certainly an extent to which the prof. kowtows to the STUDENTS, especially if h/she is not tenured... student evaluations can mean the difference between being hired or not. I don't profess to be a great teacher, or even a good one. I think the good ones are few and far between. To my shame, I try to teach contented students, so we meet somewhere in the middle, between their desire to do very little work, and my desire to have them approach the issues thoughtfully and coherently.