The latest salvo came in early April, when user nyuuzyou scraped 12.6 million fanfics from the online repository Archive of Our Own (AO3) and uploaded the dataset to Hugging Face, a company that hosts open-source AI models and software. Nyuuzyou’s upload was quickly discovered by the Reddit community r/AO3, where hundreds of users posted furious reactionsFanfic writers flooded the comment section of the dataset on Hugging Face, getting into arguments with AI defenders.