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The prejudiced belief that one's own reasoning operates purely on logic and evidence, while the reasoning of those who disagree is fundamentally contaminated by cognitive biases, emotions, or lower evolutionary instincts. It is the failure to acknowledge the universality of cognitive biases—they affect everyone, including you. This bigotry creates a caste system of thinkers: the enlightened (us) who see reality clearly, and the deluded (them) who are slaves to heuristics. It ignores the role of values, experiences, and legitimate epistemological differences in shaping conclusions.
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