The point is that he enjoys them. Throwaway project can be like a puzzle (at least for me). Pick a subject, find some problem and figure it out. I could ask th

The point is that he enjoys them. Throwaway project can be like a puzzle (at least for me). Pick a subject, find some problem and figure it out. I could ask the same about going hiking, what's the point of that? You're still back home at the end of the day.