> If AI tech goes very well

The IF here is doing some very heavy lifting. Last I checked, for profit companies don't have a good track record of doing what's best for humanity.

For profit companies do have a good track record of doing what's best for profit. If their AI creates a world where human intelligence, labor, and money are worthless, or where their creations take control of those things instead of them having control, that's not a very good outcome for them.