I understand your point and it's good advice. Typos and documentation though? That's boring... I want to do interesting things. Ever wondered why some program can't do something? Surely someone much smarter would have thought of it, right? And then you code it up and it actually works? That's the kind of thing I like to do.

I once tried to retrofit a library system into GNU bash of all things. Let's just say it didn't go well.