Anyone who puts forth a variation of this command, "put your . . . at the door" is attempting to bully those with whom he disagrees. It is a form of intellectual dishonesty: instead of addressing the issue, he attacks the character of the person advancing an idea. Although you may not realize its derivation, the claim goes back to Marx's notion that reason is nothing more than a form of class bias--despite the fact, I might add--that Marx's entire work was premised on the notion that rationality was possible and that intelligent, rational people would read it.
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