I couldn't bother to read the whole idea after reading the...2nd paragraph I think.
What you're essintially doing is making this 3 times harder on yourself and others. Aeon, as gothika said, had tried this, and it didnt even turn out that well after so many years. Not to mention it Aeon wasnt very jaw dropping with this idea in place.
All the more, developers tend to stick to their own ideas and when they get together and it isnt what they exactly want, they tend to be lazy and barely work
Simple things that lots of people want sometimes come together in things like Utopia and Graal Ghetto; but that's rare... and even then, you're asking for 3x more than that.