If there are enough teenagers like me, that dreamed of making there own game and researched game engines only to find that there weren't really any available fo

If there are enough teenagers like me, that dreamed of making there own game and researched game engines only to find that there weren't really any available for (almost) free, that could potentially be a nice enough additional revenue stream. I.e. amateur programmers, that want to play with an engine and probably will never release a commercial game.