[EliasWatson]

I disagree with the author's view that any project that isn't used by other people is a waste of time. Does that mean that all homework projects in college are a waste of time? Or that beginner programmers should skip writing simple programs and jump straight into writing a sellable product? Of course not. The point of those projects is to learn, not to make anything that will change the world. If a project is enjoyable to you and you learn something useful from it, then it is not a waste of time.

[redbar0n]

I guess it depends on what your goal is. If it is simply your own personal learning, then no, it cannot possibly be a waste of time. But if not…