Proxy which obviously would be even worse for everyone because from a user perspective it would look shady, and for me that means extra maintainance work. But I guess it would please Google's review because it's "less permissions so It's Secure"?
Who knows.
At least when Mozilla gave me a rejection notice they were transparent about WHAT caused it and I could legit hop on an IRC channel and ask a reviewer directly about it.
That's not an option with Google.