Shutterstock / YES Market Media Celebrities are shilling AI companies. Lionel Messi, probably among the top five most famous people on Earth right now, just did a World Cup ad campaign for OpenAI. Some genuinely seem to be hooked on the beguiling guidance of the tech. Others just seem to be chasing another big payday. But why does it keep happening, even in the face of massive public backlash? There are fewer better places to start than with Charles Porch,