Long read but an interesting article in the weekends Guardian Magazine. Headline is a bit incorrect they don't want to give it all away but as in the case of Abigail Disney uses part of her fortune for good causes(not folly's like some of the rich) and thinks they should be paying more tax. They formed a group called The Patriotic Millionaires. Anyway you can read it yourself should you wish to do so.
Abigail Disney has parted with $72m – and thinks the rich need to pay far more tax. As Covid widens the inequality gap, she and an international league of the super-rich are urging governments to take their money