'13 Days Since My Last Em Dash': r/ClaudeAI Users Are Now Running Search-and-Replace Before Anything Goes Out

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A 145-upvote, 96-comment post written as a recovery-group confession describes a professional purging em dashes from emails, proposals and to-do lists because the punctuation now reads as an AI tell — running a find-and-replace pass on every outgoing document. The comment-heavy ratio suggests broad recognition rather than novelty. The practical consequence for anyone building writing tools: house style is being reshaped by detection-avoidance rather than by readability, and a legitimate typographic mark is being abandoned by humans because machines overused it.