It kind of does. Removing the config files is sufficient

rm -rf .kde/
rm -f .kderc
rm -rf .config/*plasma*
rm -rf .config/*kde*
rm -rf .config/*kwin*
rm -rf .local/share/kded5
rm -rf .config/session/kwin_*
rm -rf .gtkrc-2.0*

rm -rf .kde/
rm -f .kderc
rm -rf .config/*plasma*
rm -rf .config/*kde*
rm -rf .config/*kwin*
rm -rf .local/share/kded5
rm -rf .config/session/kwin_*
rm -rf .gtkrc-2.0*