I feel like you misinform, actually.
Using the Aurora Store and microG is not the same thing as using the official Google Play Store and Google Play Services.
There is a difference and I want that difference.
I get that you put in effort to make sure people can sandbox these things, but some of us want more than be told a sandbox is enough.
microG works so I can use my Instcart, Walmart, Amazon, and Uber. Those are sandboxed, but they're not connecting with the official Google nonsense.
Again, there is a difference and I want that difference.