PLEASE NOTE THAT I'VE MOVED THIS TO HERE: fvwmorg/fvwm3#1258
There's already been quite a bit of hype surrounding the way Wayland has been developed over Xorg, see for example:
But a lot of the criticisms seem to stem from the limitations of Wayland right now, whether that's due to design decisions which Wayland have made in comparison to Xorg, or because Wayland has a feature which is similar to Xorg but not quite the same.