I'd imagine they'd (also) want to create their own "actual location" address book. The USPS isn't set up to or interested in compiling that info for anyone, and first responders don't think anyone else needs access to their data.
Navigating the map is a problem already solved. Knowing what a delivered package looks like on a doorstep is not, knowing how to interact with any individual waiting for the package is not, etc.
> I'd imagine they'd also want to create their own "actual location" address book.
Good call! Another to add to the list.
We're talking about Amazon here, right? A company known for maximizing efficiency and resources. Why wouldn't they use this sensory device to work towards this goal?