in full compliance with the letter and the spirit of copyright law
That is some real semantic acrobatics. The law is supposed to follow societal norms and reflect boundaries accordingly. Yeah, AI laws take time, and obv there hasn’t been enough legislation done. That said, the EU for example already has a law for AI but the member states need to adapt that into national laws now.
There is law here. And even though I’m sure what they are doing rn will be illegal or at least very heavily regulated in the future, they might be doing something illegal today. Depending on how eager governments are to litigate, this might already get dicey in the coming months.