They can! That's a different process called importing, and people do that a lot. For example, I've imported all of Walmarts in the US a few years ago by request

They can! That's a different process called importing, and people do that a lot. For example, I've imported all of Walmarts in the US a few years ago by request. See OSM wiki on imports: https://wiki.openstreetmap.org/wiki/Import https://wiki.openstreetmap.org/wiki/Import