No, the Desktop Environment (KDE, DE stands for Desktop Environment).

Kubuntu is a separate thing, it’s Ubuntu with KDE preinstalled.

KDE Neon on the other hand, is an ubuntu based distro from what I understand, I’ve never used it though.

I think some years back the EU passed a law that forbade paid lootbox type rewards, we need to see more of these measures in gaming of all kinds.

I only use Windows at work nowadays (I’m forced to), the games I play are all running smoothly enough on Arch until now