This is a result of the union negotiations with the WGA, which demanded and won that all streamers disclose exactly this. Expect to see this for every other streaming service imminently.

https://www.wgacontract2023.org/the-campaign/what-we-won

> Streaming data transparency: Companies agree to provide the Guild the total number of hours streamed, both domestically and internationally, of self-produced high budget streaming programs (e.g., a Netflix original series). Aggregated information can be shared.