Alex Kantrowitz, founder of Big Technology and a CNBC contributor, delivered a pointed critique of Meta’s AI positioning this week, and the core of his argument comes down to one number: 900 million weekly active users on OpenAI’s ChatGPT. “You have OpenAI building ChatGPT, which has 900 million weekly active users. Who knows, maybe it’s … Meta has virtually no AI users compared to OpenAI’s 900M, says Big Technology’s Kantrowitz