Mike

Ask it to search or list all of Bach’s children and you can see the wheels completely fall off. It was inventing people with actual fake birth and death dates and also gave me some of Handel’s children!

This has a lot more info: https://www.eff.org/deeplinks/2020/03/google-says-it-doesnt-sell-your-data-heres-how-company-shares-monetizes-and

Personal data isn’t only used for ads. In this case a users watching history can be sold especially if it’s connected in some way to a demographic profile. There could be many more ways to monetize many other things the user does.