Sounds like the beauty of a lump of rock - any sculpture you can imagine could potentially "just simply" be carved from it.
To replace X11, then, we would need something more than Wayland: a design (as a spec or as a concrete component) for how all these parts that were left out are supposed to work.
Well, yes. Wayland is a display protocol and it does its work splendidly. X11 does a lot more than display management, and those things should not be put into the display manager yet again as it is a mistake.
To replace X11, then, we would need something more than Wayland: a design (as a spec or as a concrete component) for how all these parts that were left out are supposed to work.