Why does xorg still exist?

I am familiar with the development history of xorg. I am not learned as to the history of failed projects to replace it. What replacements were proposed before Mir and Wayland and why did they fail? They couldn't have been that bad. Wayland is as bad as xorg if not worse by its lack of standard implementation alone and it received financial backing.

Who cares about desktop Linux? no1curr

The only use for Linux is to run on AWS and Azure servers. GUI does not matter.

Desktop OSes will be dead before the “year of the Linux desktop.”