I can think of a bunch of reasons: - Things can be challenging without being educational. (OP explicitly says this) - ADHD - High course load / other assignm

I can think of a bunch of reasons: - Things can be challenging without being educational. (OP explicitly says this) - ADHD - High course load / other assignments they might care more about. Your comment presumes knowledge of their situation that you don’t have. Don’t do that.