Yes, and as I said that's a problem with the laws, which "put the onus on Google to verify the user's age". If it were legal for the device itself to somehow d

Yes, and as I said that's a problem with the laws, which "put the onus on Google to verify the user's age". If it were legal for the device itself to somehow determine the user's age without involving Google at all, I agree that would be a much better design.