I agree that a unique system can do a lot for a game and even if it's not unique, I'd never fault somebody for creating their own. But even if a designer read the rules and said "I'd like something like that in my game" then I'm cool with that.
Really my interest in this is inspiration. Inspiring someone to write a game because they can just plain steal the hit points chapter or the "What is a Role Playing Game" boilerplate so they didn't have to type it out. Even if they used the rules to start playtesting their game and then wanted to change one thing (or all of it) they didn't have to worry about a license and infringing on the original writer's copyright.
I actually would rarely expect someone to use the system as is like you would have to with Gurps. I would expect people to steal the text describing the mechanic and then alter it to fit their game. Maybe that's the real idea here? Blocks of descriptive text that designers can use and alter to paste into their game?
I'm progressing on my mental image of this meta system I think i've got some of the modules planned out in my head.