> Licences that are not compatible

> Licences that require downstream attribution

> For practical reasons we require that users of OpenStreetMap data attribute the project as a whole and we in turn provide attribution to third parties via the "Contributor" pages. Licences and terms of use that require attribution of the third party data source directly on derived works are incompatible.

"require attribution of the third party data source directly on derived works" is exactly what OSM requires. It's hypocrisy of a sorts