Linux Gaming

Similarly, a flower pot falling on your head is not a hypothetical, it just hasn't happened to you.

But does it mean you should wear a helmet every time you go outside?

To begin with, the probability of keylogging being used in an attack against you is abysmal. Not because it can't be done, but because it's a complicated, inefficient attack, and if the attacker can run code on your machine there are much better ones.

Secondly, keylogging is still possible on Wayland, if the malicious code can attach to the relevant processes. Such as a vulnerability in your browser, which also happens to be a place where you type passwords and CC numbers a lot.

Third, as Wayland evolves it will have to develop better IPC features. You can't have a functional desktop with zero communication. And we'll be back to square one.

Fourth, desktop communication is not even that sensitive. 99% of it is stuff like "window id 0x09123 was maximized".

Last but not least, if keylogging were a real issue, don't you think it would have been addressed in the 40 years that X11 and Xorg have been around? It's fascinating how some people think that Wayland was the first to discover this previously completely unknown threat that threatens to doom us all.