Optimus looks like a joke compared to the robots China has developed like Unitree.

Isn't that an issue as well? It's always a bet on the next promised land which never arrives, the goalposts change but the stock never takes a hit from undelivered promises, it's bonkers.

Same same. What are they going to build? An AI bot or a bot controlled by a human?

AI bot of course. Assuming it can move fast enough and is powerful enough, won’t work without competent AI.