Nope, not at all. We already have a model for this - anthropomorphic dolls, as I explained above. Many dolls now talk, move, respond to a child's words, gestures and moods, and interact with them via sounds and motions. Many children find them very lifelike, which is why they make good toys.
If a child becomes unduly attached to their doll, and insists that the parent bathe it, take it to school etc then the wisest course of action is to explain to the child that it is not in fact a person, that it is just a thing, and that it has none of the rights of a person. It would be a huge mistake for the parent to start treating the doll as they would another child, because that reinforces a very unhealthy belief in the child.
Absolutely. If one of the assembly robots on our SMT line has a problem we might yank the power to it, disassemble it and toss out the broken bits. I might even get frustrated and take a baseball bat to it (although the line manager might get mad at me!) It doesn't matter what it looks like.
You can treat your robot/doll/whatever however you like. Other people can treat their machines as they like.