"Training on copyrighted human content without permission is one kind of issue. But using the outputs of proprietary AI systems to train competing models is another — it's more like reverse-engineering someone else's product, he explained."<p>Haven't us courts ruled the output of llms can't be copyrighted? I don't see why gathering output from a specific llm to train another model would be deemed different from just learning from books or imitating painting. Alas, tears for VCs that can't have their moat