Microsoft internal data showed the Copilot AI reduced click-through traffic to some news sites by as much as 93% compared to Bing, a cycle employees termed the "doom loop." Other unsealed documents show staff weighed the cost of purchasing books to train early versions of ChatGPT. Microsoft described Hecht's comments as an individual perspective, while OpenAI's head of ChatGPT characterized AI chatbots as "largely substitutive" and an existential threat to publishers.
