I took a physics class taught like that last year, and my experience was the opposite. Because the teaching team expected that students had read and understood the material before class (hint: very few people read it, even fewer understood it), the TAs and professors went waaay faster than they should have, and the class was one of the most stressful experiences I've had at college. Nobody liked it.
I had mixed results like that years ago, it was 'repaired' later on by repeating the stuff you should already know, mostly as a verification, but the people that might not have read what they were supposed to read would have a chance to catch up.
Ultimately, it is of course the responsibility of the student to decide what they want to do. If you don't want to learn, see learning as a side-job, or live in an environment that does not leave room for learning outside of college hours, then you might be in more generic trouble anyway ;-)
