Debian, as its so MANUAL. Upgrading by manually updating x times and then literally changing the repos manually in the sources list? Wtf? Without any documentation or automation??
QubesOS, as it probably doesnt run on any real hardware. Didnt get beyond a blackscreen, and also AMD consumer GPUs dont support accelerated VMs making it useless.
Ubuntu because its annoying, but unsnap fixes a lot and its actually okay, still outdated Kernel als a bit weird.
KDE Neon because I cant tolerate its not a workstation distro but want it to be one
Linux Mint. Its old, and always had weird crashes for me. Its kinda nice and easy, kinda weird and complicated to do certain things. Some packages dont run as its not Ubuntu. Would always choose any KDE Distro that is newer.