When will Wayland earn the label "good"? I don't think it currently qualifies.
1. You're using X11 with hardware that is fantastically newer than anything available at the time the UNIX-HATERS Handbook was written.
2. Every graphics vendor that still supports X11 is shipping workarounds for bugs in Xorg.
I used to have a citation for that second one but it went away when Hector Martin dropped off the face of the Internet.