And most people get by on those jobs by faking the emotional component, at least some of the time. AGI presumably can fake perfectly and never burn out.
If you think this is true, I would say you should leave artificial life alone until you can understand human beings better.
If the teacher was a robot, I don't think the piano would get practiced.
IDK how AI gains that ability. The requirement is basically "being human". And it seems like there's always going to be a need for humans in that space, no matter how smart AI gets.