It's a lot like Indian tech scammers and other people who steal as a way of making a living. Many people won't have sympathy for a person who steals from old ladies falling down the stairs because he was carrying too many google play cards.

A billionaire is more like the owner of a scam call center. They greedily hoard their resources and they exploit all of their workers by paying them less than they're worth. They shape politics to benefit themselves at the expense of others.

How is the death of anyone hilarious?

Easily......

They are probably very young. People get less extreme in their views as they grow older (usually).