Earlier quoted context omitted.
> Nobody should ever have a $1B worth. How does this work? Forced sale of assets? Who determines the market price of the assets, if they’re not highly liquid?
When you get issued stock options at a company, you immediately become liable for taxes on them, since they are treated as income. This is true even if there is no public market for the shares at that time (something that caused headaches for many early dotcom stock option grantees). It's is an obvious precedent for taxing somebody who has "received" wealth via the route that Bezos has done.
This is false, right? It's only taxable on exercise. That or I know 1,000s of people at major companies that owe back taxes.