I don't think that's accurate. They're within the range of profitability on inference today and that's before theyve started selling ads.
Ed Zitron has a bias and a narrative differing from OpenAI's bias and narrative: https://www.wheresyoured.at/oai_docs/
Your article has 5 billion in inference cost vs 4.5 billion in revenue. That's within the range of becoming profitable.