Or, why not do both? If you are worth billions, you can give millions to your kids and give the rest to charities of your choice. Everyone wins.
This attitude of "I'd rather burn everything" feels like such a massive waste of an opportunity to leave a quality legacy behind and legitimately make the world a better place.
There's a pretty clear line between "this inheritance is enough to make you comfortable and sort you out for life" and "this inheritance will make you rich beyond your own comprehension" - there's a certain amount of money that nobody has a need for.
So you are saying his life is miserable because he will never know the joy of giving to Bill Gates because he is giving to his children. I think you're living that life.