Keep in mind stability in terms of Enterprise Linux refers to feature stability (i.e. a static set of features), not necessarily reliability. So if you want anything quickly, it’s really the opposite place to look.
EPEL is officially part of the Fedora project, so I would be surprised if anything makes it there before mainline Fedora (unless any one knows any better).
I’ve not had much positive experience when I’ve tried KDE with RHEL/CentOS. I find the more you rely on EPEL the less of an advantage there is to using EL, and if you’re planning on using EL as a base for running Flatpak apps you’re probably better off with Silverblue/Kinoite which you already use.
Completely agree. Now my hot take for this thread:
If governments some time in the 90s had decided from the start to ban computer hardware from being sold with pre-installed software then we wouldn’t have this problem. If everyone had to install their own operating system from scratch, which like you say isn’t hard if it’s taught, it would have killed the mystery around computing and people would feel ownership over their computers and computing.