OpenAI's two-sentence announcement closing Sora on March 24, 2026 arrived one day after a safety post titled 'Creating with Sora Safely' — a sequencing that, read together, tells the real story. The by one day, and the shutdown preceded any strategic explanation indefinitely. What the timeline shows is that Sora did not fail because users lost interest in AI video generation. It failed because the enforcement of content rules removed the function its users had actually organized around. The creative community Sora was marketed to…