You may disagree, but the legal departments of every organization I've worked for that has looked into the matter concurs with this opinion. It effectively proh

You may disagree, but the legal departments of every organization I've worked for that has looked into the matter concurs with this opinion. It effectively prohibits many practical applications for which organizations want to use mapping data for more than rendering maps. Companies that do use OSM data have rigid policies that only allow it to be used in narrow contexts. The loophole that most companies seem to have landed on is using OSM data to do parallel construction of private data, which technically avoids the Derivative Database problem.