And again, OSM is not fighting for the biggest user-share, but for the freedom of its users - who are not supposed to just be users, but maintainers too. It is a project for freeing all the human people from any lock-in for all geographical data.

See also the recent buzz around gcc (TL;DR: gcc is about freeing users from proprietary implementations, not about having the best product ever), and Wikipedia (everybody knows something, Wikipedia is here to share this knowledge and make sure it can't be withheld)