The sad truth js that for every solo devs that becomes successful, there are an untold number of solo devs that don't find an audience and fail. The reality is pretty brutal in games.
If you only count developers who finish a quality game, polished, with completed endgame, and free of major bugs then the numbers are far lower.
Maybe it's more of a lesson in how hard it is to finish a game, than how hard it is to make a somewhat successful one.
Yeah but how often do you finish a AAA game and want to cry at how beautiful it is. You get that feeling pretty often with an indie game. Like something really important is being done by indie devs.