How can people be economically active if their jobs are eliminated from the economy? At best they job-share, and demand still collapses, just in slightly different ways.

AI cannot make money as an alternative to large scale employment, because essentially all the clients of those AI businesses will see demand for their products and services collapse. AI bots don’t go to In-N-Out Burger or Disneyland.

Anything else is fantasy maths, albeit commonplace fantasy in the AI industry at the moment.