In a just world they would have to pull all models, for which this is the case, have auditors walking in left and right, supervising their training of the next version, to make sure they only train on material, that they are allowed to train on, and meticulously have them document every little corpus of data they use and its sources.

In reality we won't see this behavior stop, until Anthropic is hit with a huge penalty sledgehammer that threatens its existence. This is a gold rush and without real consequences, nothing will change.