Well ‘copyright’ is a flawed system that needs to be reformed anyway, as in its current form it is responsible for many books and other media being lost.

“Plaintiffs advance the fallacy that every output generated using LLaMA is based on expressive information extracted from Plaintiffs books and therefore an infringing derivative work of each of those books,” Meta said. “The Ninth Circuit has rejected this argument as frivolous, and it makes no sense.”

Nothing new here. Just Meta presenting precedent from a previous case.