Anthropic, not content with destroying innumerable jobs, also destroyed millions of physical books to train Claude https://arstechnica.com/ai/2025/06/anthropic-destroyed-millions-of-print-books-to-build-its-ai-models/
Anthropic destroyed millions of print books to build its AI models

Company hired Google's book-scanning chief to cut up and digitize "all the books in the world."

Ars Technica