Oh, I've got a Chromebook; didn't know it was all Wayland.

I'm thinking that it "just works" there because G has more resources to patch all the needed features. More resources than KDE or Gnome or others have available.

I assume its mostly because how you said they can do it and the impact is really only limited to their system AND chromebooks are to my knowledge way more focused of a UX than what Wayland needs to be able to support so they can be even more opinionated about what they support and how