And confirmed! https://www.theverge.com/2023/9/26/23891835/wga-contract-summary-ai-streaming-data

Now, studios will have to provide the WGA with actual data. Specifically “the total number of hours streamed, both domestically and internationally, of self-produced high-budget streaming programs.” That means Netflix, Disney Plus, Amazon, and the other streamers won’t be able to invent weird metrics or meaningless self-referential rankings to give to the WGA.