Sam Altman built the most popular AI on the planet. Now he's telling his 900 million users not to worship it. He's watching something the rest of us only catch in glimpses. When OpenAI pulled GPT-4o last year, users didn't react like customers losing a feature. They grieved. The backlash got so intense OpenAI brought the model back within a day. People ask ChatGPT whether to leave their marriage. They ask it what to believe. And they treat the answer as an authority, which is exactly the…