Say whaaaaat…
The 21:9 monitors are superior to a lot of games.
Unfortunately for you “you have no idea how to play games”. Games have evolved a lot as well as gameplay. Also, you have to keep in mind the fact that you didn’t evolve at all.
For your knowledge 49" monitor is net superior in RTS games, it is at the point of cheating. But I guess you are doodoo player in terms of vision.
Finally linux developers started to understand a bit of “make an app great and keep it like that”.
Usually linux has parcour in terms of apps.