Because of the law of diminishing returns (marginal utility). If you have a billion humans one more (less) results in a bigger increase (decrease) in utility than if you have a trillion.
Whose utility? The extra human’s utility will be the same in both cases.
Because of the law of diminishing returns (marginal utility). If you have a billion humans one more (less) results in a bigger increase (decrease) in utility than if you have a trillion.
Whose utility? The extra human’s utility will be the same in both cases.