> prevent corporate surveillance

Leave the abusive relationship with those entities. Don’t lay this at the feet of the GrapheneOS Project.

If you read their FAQ, you’ll see how limited the OS actually is in retaining your privacy if you still insist on using these providers that don’t respect you.

Said another way: stop trying to solve human problems with technical means.

and definitely stop trying to get others to do it for you for free.

Or, continue: I’m not a cop.