At this point, who could bring a copyright claim? Well, considering the massive AI training effort hoovering everything up, seems it might be approximately everyone.

Who would they be making the claim against? Well, considering the massive uptake of AI across the tech industry & beyond... approximately everyone.

Yes, the model companies are in the middle, but it's getting to the point where it seems a bit doubtful that claims will have any significant outcomes.

NYT might be able to get OpenAI to pay them for their content, but that's more of a financial tweak than a up-ending of industry.