This. Services are invited to take a slurp of data and use it as they wish, and contribute back of they make changes. It's not uncommon for a service of a cert

This. Services are invited to take a slurp of data and use it as they wish, and contribute back of they make changes. It's not uncommon for a service of a certain size to become a contributor. But there's no requirement: if all they use it for is lookups and tiles, go ahead, "fill yer boots".