Aurora Store vs Sandboxed Google Play

> With sandboxed GPlay, the main thing you should be aware of privacy-wise is that it will know all the apps you have installed on the profile. If you care about that, you can relegate just the gplay apps to the work profile. Does Google Play even know about apps installed within the profile but through a Aurora or Obtanium? And how do we know there isn’t more serious data collection from Google Play? There’s an active discussion on the GrapheneOS forum about how usage guide is unclear about what exactly is communicated between GPlay and apps within the profile (especially those which are closed-source and/or are tied to push notifications).