I don't even believe that. Seriously. Students who need a bit of hand-holding are simply falling through the cracks with an adjunct model. Adjuncts can't afford the extra time, and students often can't track them down outside of class at all.
Students don't track down teachers outside of class at all any more. They email, but that's all.
The problem with adjuncts is that with crap pay and no job security, they teach to the lowest possible standard. They need students to pass, so they need to pass students. The stories I could share of incredibly low standards could make your hair stand on end. If universities want to save money they should stick to having a huge lecture, then small tutorial/recitation groups to discuss assigned and spontaneous questions. By having actual discussions they reduce the time needed for endless quizzes and grading, by having one lecturer they reduce the amount of duplicated paid work in writing the lectures.
