“stealing” implies the owner does not have it anymore… It is large studio speak.
And I get what you are trying so say, I just think the copyright system is so broken that this shows it is in need of reform. Because if the qualm is with people doing immoral shit as a business model, there are long lists of corporations that will ask you to hold their beer.
And the fact that the training of the models already occurred on these materials means that the owners of the current models are probably training on generated datasets meaning that by the time this actually hits court, the datasets with original copyrighted materials will be obsolete.