>It's not a zero sum game

>1. Sell $500M of shares they are keeping, hence dropping the price of the companies they are invested in. Employees of these companies lose.

What you just described is a zero sum game.

>It's a measure of capability/intelligence/luck/circumstances of birth.

Capability and intelligence are starkly contrasted by luck and birth, and this is a problem. One creates meritocracy, the other monarchy

- It can be generated out of (generally) 'getting things done'. Two people creating things out of nowhere are both richer.

It can also be generated out of nothing, and by destroying wealth a la broken window fallacy