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Everyone Should Get an A

Does a bus-driver-training school rank its graduating drivers? No, it ensures that all attain the standard required of a bus-driver. Would you like to be treated by a C-grade doctor? No, everyone wants an A-grade doctor! So doctors and drivers are (I hope!) trained and trained and not let out until they are A-grade in standard. Why should other professions be treated differently? –David MacKay –Everyone Should Get an A (Cambridge)…