> If we limited individual wealth to $999 million--just outright capped it, and enforced that--it would not impact these people in the slightest.

It would certainly impact their willingness to do the company-building that creates all those innovations and jobs.

With such a rule, Tesla wouldn't exist, no electric cars, no SpaceX, no cheap advanced launch tech; basically most of the modern world would be choked in the crib by taking away the incentive to build it.