It seems like the only morally acceptable outcome for the author is that rich people give away all their money in a way that comports with their view of what a “good” use of these donations would be.
Don’t disagree that the marginal utility for the world populace might be pretty limited, but it seems like it has utility for the donor
Don’t disagree that the marginal utility for the world populace might be pretty limited, but it seems like it has utility for the donor