Rich people spend money on charities they like. They change society the way they want it to change that does not necessarily make society a better place nor is it necessarily what most people want.
If he had to pay all of this on taxes, society could decide how to use that money and it would be just as much, if not more "a better place".
If he had to pay all of this on taxes, society could decide how to use that money and it would be just as much, if not more "a better place".