Maybe it's changed, but when I went to Berkeley, it was really common that the homework counted for next to nothing and it was on you to do it since the majority of your grade (if not all) was on mid-terms and finals. No one really complained back then...maybe it's changed a lot, but if so, I'd say they should go back to their roots ;)

This, it’s all exams. Homework is something to help students study, I guess not anymore.