'In fact, it was. I recently obtained and analyzed a dataset used by Meta to train LLaMA. Its contents more than justify a fundamental aspect of the authors’ allegations: Pirated books are being used as inputs for computer programs that are changing how we read, learn, and communicate. The future promised by AI is written with stolen words.'

https://www.theatlantic.com/technology/archive/2023/08/books3-ai-meta-llama-pirated-books/675063/