It does exist in developing nations, where street names change very quickly and are not very reliable (and the rusty government can't keep up with the quick dev

It does exist in developing nations, where street names change very quickly and are not very reliable (and the rusty government can't keep up with the quick development). First hand experience, Vietnam - I currently live in a street that wasn't there a year ago and isn't in Google Maps. If you put it into Google, it will send you to another place, 200 meters away. (They are getting better fast, compared to Apple Maps for example which suck hilariously, but still isn't perfect.) You can share a long/lat, or a link to Google Maps, but that's hard to write down. So it's a problem.