Thieves…like Anthropic who literally just settled a case for pirating? Those kind of thieves?
Always better to name them outright.
Anthropic STOLE data for training. Verifiably. Admitted. In court. Then settled.[0]
You can also likely assume that OpenAI did too. There simply wasn’t enough data without having done so at least at some point in their corporate history. In fact, I seem to recall they were able to extract Harry Potter text from all the major modes[1]