You could argue that with emacs modules nowdays you can implement a full compositor by linking-in parts of wlroots if you really wanted to. My point is that yo

You could argue that with emacs modules nowdays you can implement a full compositor by linking-in parts of wlroots if you really wanted to. My point is that you don't have to do any of that in X11 since window-management is implemented through a separate protocol and stand-alone process, which makes it much easier to implement.