It's what happens when you own a controlling share of the company. You can freely run it into the ground.

Tells you a lot about success and merit. He has absolutely no fucking clue what's going to be successful and what won't. He was just super lucky with Facebook.

The reason he's a billionaire is because the system is totally fucked up. He's a bug, not a feature.

The current Economic structure is designed so that the thing that makes the most Money is having Money and tilted so that the more the Money the bigger the effect.

This is why, for example, many if not most countries have higher taxes on income from work than on income from dividends.

It's not by chance that Social Mobility has collapsed to pretty much non-existence in most of the World, especially the US (were the saying "You can be anything" actually used to be true, but not anymore, not even close) - the Economy is so extremelly rigged for Money to make Money that the dumbest, laziest, most inept rich kid will keep on getting richer their whole lives no matter how much they fuck up.