And yes, their attitude toward missing features is the same as GNOME's: WONTFIX parade 24/7.
I would hope the Freedesktop group to get active here, as they have been incredibly successful promoting standards in the past and probably could do it again - but it seems like they're closely associated with the Gnome-Project, which has apparently decided to go the "fuck everyone else" route.
(And just IMO, things like layer-shell are not really a solution that fits with Wayland, that just puts us back in X territory where clients can position themselves arbitrarily, steal input and take over the screen)
Yes, in that it’s another much-needed security and architectural improvement. (Bootstrapped Firefox extensions were a huge pain to build.)
https://www.google.com/search?q=%22moving+away+from+x%22+way...
... combined with all the claims that X is abandonware: