Looks like developers from Valve that were tasked on working on Wayland don't agree[0].
[0] https://news.ycombinator.com/item?id=41640420
> "why would anyone bet on X.org when wayland has been ok for a decade now?"
Valve saw problems with the Wayland protocol evolution process. Their solution was to build on top of Wayland, not exhume the corpse of X.org.
Looks like developers from Valve that were tasked on working on Wayland don't agree[0].
[0] https://news.ycombinator.com/item?id=41640420