That's true that it's hard to run a profitable business doing this, but I think you're missing the point. If a person's goal isn't to earn a living but just ha

That's true that it's hard to run a profitable business doing this, but I think you're missing the point. If a person's goal isn't to earn a living but just have a hobby that financially breaks even selling kits on Tindie or whatever, the costs are surprisingly low. Also,there's a lot of very good software used by many people that came from some person's personal github account. Hobbyist can and do compete favorably with commercial software all the time, but of course it's not as easy to make a living that way than it is to just put something out there that's useful.