I wouldn't say they are reinventing the wheel. Putting a new set of rims on them, maybe...
"KDE Linux is an “immutable base OS” Linux distro created using Arch Linux packages, but it should not be considered an “Arch-based distro”; Arch is simply a means to an end, and KDE Linux doesn’t even ship with the pacman package manager."
"KDE Linux is an “immutable base OS” Linux distro created using Arch Linux packages, but it should not be considered an “Arch-based distro”; Arch is simply a means to an end, and KDE Linux doesn’t even ship with the pacman package manager."
https://kde.org/linux/