OpenAI, who stole data to build ChatGPT, is now crying because DeepSeek may have used its stolen data.

https://www.pcgamer.com/gaming-industry/the-brass-balls-on-these-guys-openai-complains-that-deepseek-has-been-using-its-data-you-know-the-copyrighted-data-its-been-scraping-from-everywhere/