There are plenty [1] of sites & apps (some quite large) that don't correctly attribute OSM data according to the legal requirements [2].
[1]: https://wiki.openstreetmap.org/wiki/Lacking_proper_attributi... [2]: https://www.openstreetmap.org/copyright
There are plenty [1] of sites & apps (some quite large) that don't correctly attribute OSM data according to the legal requirements [2].
[1]: https://wiki.openstreetmap.org/wiki/Lacking_proper_attributi... [2]: https://www.openstreetmap.org/copyright