Because I don't know much about those but have a great overambitious idea for a computer game.
Well, I've always liked procedural generation and I just discovered Tracery and I just discovered it could be ported to my development platform of choice. So I want to make simple side scrolling game about a tiny Galavant running along (the not-so-ambitious part) with the jester describing everything he does in written song lyrics (the incredibly ambitious part, especially making the sentences fit the music and making stuff rhyme).
Already got a working prototype with nice graphics, now on to the hard part: