I would surely learn a lot about the lastest in pop music if I watched MTV five hours a day for a month too, but that doesn't mean that it would be a good use of my time since I have no interest or reason for learning about pop music. A lot of the assignments I got and subsequently cheated on felt just like that.

You actually pointed of something I didn't mention in my previous comment. If you learn something, it shouldn't matter how you learned it. I actually learned the topics and passed the exam with flying colors even though I cheated on a lot of the assignments.