The rule of thumb is it lasts up to three generations, and only for very very few people. They are also, for everything they buy, and everyone they employ, paying tax. Redistribution isn't the goal; having funded services with extra to help people who can't is the goal. It's not a moral crusade.
> Due to the diminishing marginal utility of wealth for day to day existence, it's only value to an extremely wealthy person after endowing their heirs is power.
I think this is a non sequitur.