If so, it will not affect the progress of AI, because the AI companies will simply buy sufficient data. E.g. OpenAI's valuation alone means it could buy the lar

If so, it will not affect the progress of AI, because the AI companies will simply buy sufficient data. E.g. OpenAI's valuation alone means it could buy the largest publishers and image banks if they wanted. What an outcome like that would do, however, would be to massively centralise the ability to train legal models. At the same time you'd end up with a lot of "washing" of training data (a lot of "works for hire" that'd really be outputs of models trained on copyrighted works), and a lot of development moving to other countries.