Why it works: spotting flaws is easy and nearly useless — give anyone a red pen and enough time and they will mark everything. The skill is knowing which two or three changes carry the weight, and being willing to leave the rest. The decoys are the point: without something that looks wrong and is not, you would just mark the ugliest sentences and be right by accident.
Works alone at a desk or on a screen with a room arguing about it.
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