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Make illegally trained LLMs public domain as punishment
(www.theregister.com)
This is a most excellent place for technology news and articles.
No, the model does retain the original works in a lossy compression. This is evidenced by the fact that you can get a model to reproduce sections of its training data
You're probably thinking of situations where overfitting occurred. Those situations are rare, and are considered to be errors in training. Much effort has been put into eliminating that from modern AI training, and it has been successfully done by all the major players.
This is an old no-longer-applicable objection, along the lines of "AI can't do fingers right". And even at the time, it was only very specific bits of training data that got inadvertently overfit, not all of it. You couldn't retrieve arbitrary examples of training data.