You make it sound like selling all at once and flooding the market is the only option. He could slowly sell off shares over many years and thereby exchange pers

You make it sound like selling all at once and flooding the market is the only option. He could slowly sell off shares over many years and thereby exchange personal power at amazon for tangible good in the world. He choses to maintain his position because that's where his priorities are. He's within his rights to do that, but let's not pretend one of the most powerful people in the world has his hands tied.