If it's done accidentally once or twice, or on a post that's currently relevant, it's not a problem as far as I'm concerned.
If it's done repeatedly on threads that are no longer relevant, especially after notice has been given, then there needs to be staff action.
If it's done repeatedly on threads that are no longer relevant, especially after notice has been given, then there needs to be staff action.
Playing Cluedo with my mum while I was at Uni:
"You did WHAT? With WHO? WHERE???"