@starsider Sheesh, you're brave. I wouldn't have done that on anything that isn't a VM, fail-safe or no.
Then again, I've had my fair share of mishaps with `rm` so I'm a little paranoid. Doesn't help my daily-driver distros will not stop you either.
Still good to know though!
@AlexiWolf I think I first tried with a VM in a much older distro than this one so I was confident this had it too. Also I did as a user so it would have probably taken at least a few seconds to go through the files that it can't delete.