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A condition where atheism, originally a reasoned rejection of theistic claims, hardens into a dogmatic worldview that exhibits many traits of organized religion: rigid orthodoxy, hostility to dissent, a priesthood of authoritative voices, and a persecution narrative. Late‑stage atheism often involves aggressive mockery of believers as cognitively deficient, a fetishization of science as infallible, and an inability to acknowledge any value in religious or spiritual traditions. It's what happens when non‑belief becomes a belief system—complete with excommunication of heretics who question the dogma.
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