My experience of anything Ubuntu based is that it is buggy as hell. I have no knowledge of Fedora.

https://gitlab.gnome.org/groups/GNOME/-/issues

KDE doesn’t seem to give you an overall view

What part of

All software beyond a moderate complexity has bugs.

didn’t you understand?

Doesn’t work on my machine is an opinion not an argument. Different people have different expectations and experiences.

Not an excuse tbh.

The thing to do is participate in the beta programs and report any bugs you find, as you’re having so much instability you would be an ideal participant whereas me with my smooth running wouldn’t.

It really isn’t, at least in my experience. And I have an Nvidia card!

All software beyond a moderate complexity has bugs.

KDE Plasma is wonderfully stable if you mean reliable, if you mean unchanging then yeah, it has quite a few changes.

Maybe a play on “This page intentionally left blank” from the IBM manuals

The best way to help a non-enthusiast Linux user is teach them basic system maintenance.

Only if you’re a bad programmer :/