I'm not going to go over the same points (like how you don't need to fork Weston because it has a stable plugin ABI) again because we've already been over it and yet you insist on spouting this nonsense. But:
> Why breaking everything and inventing another X11 if we already have X11?
Keep using X, then. It's not going to stop existing, and with all its advantages it sounds like it's going to be much better for you.