While I get the frustration that some feel, me personally do a whole lot of stuff in linux from
encoding videos, photo editing, gaming, web surfing etc without issues and this with
the latest hardware being a ryzen 7 1700 cpu with nvidia gtx 1080ti.
(See pic below and who needs wifi when a lan connection is a must if we're talking about desktop use)
You are using X, not Wayland. That makes everything you spoke of invalid. Dare you try to run your desktop on KDE Plasma Wayland with the Nouveauy drivers, or even the Nvidia proprietary drivers under Plasma Wayland?
And you have never compiled your own kernel, Xserver, Wayland protocol, Mesa libraries or libdrm libraries.
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