The scale is different by a grand margin. If 50% of US jobs are replaced by AI in the next 20 years, and those jobs aren't replaced by other jobs, and people depend on income to survive, what happens?

I'm not saying to ban it. I think the productivity gain could be a gift. Everybody being freed from the need to work would be amazing.

But without actually dealing with it, what's the proposal for dealing with the majority of the population of your country being completely without employment? What do we do for money when there's no work left to be done? The whole country can't trade stocks for a living.