On August 28, Ball revised his AI liability position, dropping support for a full liability shield in favor of a rebuttable presumption of due care tied to government-accredited verification for risks relevant to the harm alleged.
He credited himself with moving independent technical assessment "from being relatively fringe to being much more mainstream" over 18 months and pointed to Tyler Cowen's adoption of a version of it as vindication of his "private governance" framing. Ball stated the views are his own and not OpenAI's.