I don't see that. Numbers are just another type of name. As long as there are signs or a map, anyone with decent navigation-skill will find their target. I have

I don't see that. Numbers are just another type of name. As long as there are signs or a map, anyone with decent navigation-skill will find their target. I have never used a satnav in my whole life, still found everything without problems yet; often even without a map. Living in a country with signs is the secret to succedd there.