If that happens to you, that’s both a great reminder that mindlessly copy-pasting commands from the internet is a terrible idea, and a chance to practice your restore-from-backup routine! I see no downsides.

Why use a fancy GUI tool when good old dd does the trick

Why openvpn? Last I checked wireguard has significantly better performance (plus it’s built into the kernel already)

Same, I know installing from other launchers on linux is possible using lutris, but since the steam experience is so smooth, I’ve never bothered to figure out how.