Look, given enough time we could make our peace with most of these robots. Even the corpse eater robot probably has a beautiful soul. But nothing, nothing on Earth will make us accept the need for a robot controlled by the mind of a cockroach. This is pure evil. And what exactly does the cockroach intend to do with its newfound powers? Look around for food, move about at random or attack humanity and all its achievements? None of these sound very helpful.