I managed to sudo chown -R {useless_user}:{useless_user} {foo}/ with foo undefined, whilst simultaneously distributing that command with dsh to our entire clust

I managed to sudo chown -R {useless_user}:{useless_user} {foo}/ with foo undefined, whilst simultaneously distributing that command with dsh to our entire cluster of 10 machines. This was after testing that everything worked on the development machine. So of course, I retraced my steps to find out what went wrong, and killed the development machine too. The upside is that we knew we had issues, and with everything broken the impetus is on the right people to ensure they're fixed before we get distracted by the next shiny feature. Sometimes, setting your servers on fire is the solution to technical debt.