Welp, the mega-release is pretty much carved in stone now, and set for a release in four days! Lots of people have worked really hard on it for over a year, and we hope you love it! Nevertheless, I…
The "real" way needs the corresponding Wayland protocol in order to work. The protocol is under development/review, but involves a lot more moving parts that requires coordination and approval from multiple people. This "fake" way was able to be implemented faster and by fewer people as a stop-gap measure
When you want a standard to take hold you gotta do it the hard way. You can't just cowboy it like you can with the fake version. (Not meaning to disparage the fake version, mind you.)
Refuse to implement something until there's a robust open standard to use it with, without hacky workarounds, a la Gnome? Get shat on for not implementing a feature immediately.
Implement something quickly, but in a hacky roundabout way, hoping a standard comes soon and you can phase out your sub-optimal solution, a la KDE? Get shat on for wasting time on a solution that will be short-lived.