I think the problem with btrfs is that it entered the spotlight way to early. With Wayland there was time to work on a lot of the kinks before everyone started seriously switching.
On btrfs a bunch of people switched blindly and then lost data. This caused many to have a bad impression of btrfs. These days it is significantly better but because there was so much fear there is less attention paid to it and it is less widely used.
@possiblylinux127 Again rdp, vnc, x2go, ONLY work for full desktops, they do not work for individual applications. If I’ve got a terminal session into a server and decide I want to fire up synaptic, X does that for me, Wayland doesn’t and the overhead of starting an entire desktop to run a single app for a few minutes does not make sense.
And there is were the community has kind diverged. Now days it is either headless servers or desktops.
Running individual apps is interesting but I am afraid that it is not super practical in 2024. However, there is this: https://github.com/udevbe/greenfield
Xorg is no longer being maintained for the most part and because the code base is so large there isn’t anyone who understands the codebase. I still use it for my semi virtual PC as Xorg allows for a lot more flexibility than Wayland plus Xfce4 isn’t completely ported yet. There will be a day when I move completely though. Probably when Xfce4 is Wayland native.