Hell, that will happen at tens of millions. The magnitude of a billion is crazy.
Even if they are more driven to keep going, others turn to more philanthropic pursuits. Well before a billion the number becomes more like a high score rather than giving any quality of life improvements, so what’s the point of getting more? Most will want to mean more to the world than just some high score. So accumulated wealth starts getting directed away for all but sociopaths that relish the high score in and of itself.
Hell, that will happen at tens of millions. The magnitude of a billion is crazy.
Even if they are more driven to keep going, others turn to more philanthropic pursuits. Well before a billion the number becomes more like a high score rather than giving any quality of life improvements, so what’s the point of getting more? Most will want to mean more to the world than just some high score. So accumulated wealth starts getting directed away for all but sociopaths that relish the high score in and of itself.