OpenAI has banned China-linked accounts that used ChatGPT to draft social media influence campaigns targeting U.S. debates over tariffs and AI data centers, the company said Wednesday. Why it matters: The campaigns don't appear to have been effective, but they show how pro-China actors are testing AI tools to amplify existing political and economic divisions in the U.S. Driving the news: OpenAI said it uncovered two operations that used ChatGPT to generate posts, comments and political cartoons