if you make robots look like humans, people will want to treat them like humans, and people will want them to act like humans. if robots act and look and behave like humans, we'll have to give them rights.
we don't want to give robots rights. it defeats the point.
robots consequently should not look like humans, even if they are dumb pieces of steel. robots could perhaps look like dogs or horses. i'd rather they be designed for maximum utility and look like conveyor belts.
this is important. if you're the one doing this, then how you design them will determine whether we can use these things to work for us or not. if we turn them into steel humans and give them rights, we're ending the possibility that we can use these things to emancipate us from tedious labour, which is supposed to be the point.
i don't want smart robots or robots that can think or feel to exist. i want robots to remain stupid, brute slaves with no ability to understand what's outside of the cave. we need slaves to have a civilization, and robots are the only humane way to do that. don't ruin it by giving them sentience.