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An extreme, uncritical devotion to atheism as a comprehensive worldview, often accompanied by hostility toward all forms of religion and spirituality. The atheist fanatic treats atheism as not just a conclusion but a cause, and spends significant energy attacking believers, mocking sacred texts, and demanding that public life be purged of religious expression. This fanaticism often ignores the complexity of religious experience, the social goods of faith communities, and the fact that many atheists and believers coexist peacefully. It is a reaction formation that becomes what it claims to oppose.
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