> Now they'll need to pay off a local mailman to give them all of Google's letters with an address in an area they control so they can register a town's worth of addresses, big whoop. It'll cost them a bit more than the registration fee, but I doubt it'll be enough to solve the problem.
Yeah, this is a huge amount more work than, like, nothing.
All it will do is create a new low risk black market job. Someone will manufacture and sell bulk identities like they do fake social accounts.