If the occupied society is too willing to destroy the guard robots, but would not hurt humans, why not give them both? Post a sign on each bot: "WARNING: if thi

If the occupied society is too willing to destroy the guard robots, but would not hurt humans, why not give them both? Post a sign on each bot: "WARNING: if this guard is tampered with, its controlling human will be subject to electroshock." Or wire it up so if one bot is damaged it commands a nearby one to retaliate, either against the original aggressor or a random target.