I use KDE on Bazzite. It has a couple killer UI features over Windows. It can label bluetooth devices (so I can have blue dualsense controller, pink dualsense controller, white dualsense controller, etc.). No clue why this doesn't work in Windows lol. Also the super/win + arrow keys are more predictable, super pgdn is minimize and super pgup is maximize, so I never find myself accidentally minimizing windows when trying to move them to a corner. My wife was able to easily install and play the Sims with all her mods as well. I also use Bazzite specifically because it's atomic - so when I make the mistake of giving into temptation and updating shit once every month or so, if it's broken I can just revert it.

But I will say I've had a ton of failure to wake up from power saving issues (resolved by just disabling pretty much every power saving feature, which I was gonna eventually do anyway because I want to be able to remote into the machine), and VLC can cause the UI to lock up because of some XWayland nonsense that they're still trying to fix (I just use Haruna, KDE's default mpv-based player, and it's mostly fine). It's a little silly and was quite frustrating that Linux is still dealing with this shit. A more minor (but still irritating) issue is that each taskbar has its own set of pinned applications (instead of just being identical like in Win10/Win11), so if I change the order on one I need to manually go change it on the others.

Overall, I like it because it's good for development and creating other stuff, the filesystem is fast as fuck (way better than WSL) it's obviously less actively antagonistic than Windows 11, Photoshop has gotten worse so I've switched to Krita which works great in KDE, and I've not been surprised negatively by anything after dealing with the previous paragraph's issues, but a non-technical user might struggle to deal with maintaining it.