I can de-Google a Pixel way past the extent I can de-Apple an iPhone. e: downvoters, any counterpoint? Please show me where Graphene is leaking info, or, conve

I can de-Google a Pixel way past the extent I can de-Apple an iPhone. e: downvoters, any counterpoint? Please show me where Graphene is leaking info, or, conversely, how to obtain code-signing privs equivalent to Apple keys on iOS.