So AI is going to replace workers, people lose wages. Without wages, consumer demands weakens. Circulation of money dies. And without consumers, profit driven companries lose their purpose. I think it is a brialliant plan, we are replacing everyone’s income, and then no one will be selling and purchasing anything. Musk is high on Muskism :)
He must be discussing economics with aliens; or perhaps people already living on Mars.

but it might just be the most rewarding career we could ever dream.

Right now major goal is to leave the world a little better than we found it