I recently did on-the-ground mapping in Azerbaijan, and I am concerned by the state of the map there. Most of the country has been mapped by a single individual: user MenKauRa. Unchallenged and without much experience globally, he has developed a very idiosyncratic way of tagging that has brought Azerbaijan away from the OSM standard:
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The map is full of incorrect tags on POIs, like amenity=townhall for things that aren’t an amenity=townhall. When I complained in a changeset comment (139264998), MenKauRa replied that if the correct tag does not render on the apps he considers popular in Azerbaijan, he feels the need to add some other tag that will render. This is, of course, classic “tagging for the renderer”. As I mapped, I discovered more and more spurious tags used for these purposes.
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To the name= tags of POIs, MenKauRa has been adding, after a backslash, also the name of the town. In the same changeset discussion, he says that he feels it necessary to do this since some people’s apps might not find the POI otherwise. It seems to me that MenKauRa has simply reinvented, in a poorer form, the long-deprecated is_in:city tag. The result is that names of POIs in Azerbaijan look like nowhere else; they look like the result of a bad import. As an example, see the cafe at 40.1731, 49.4699 and the other POIs to the northwest of it: there is absolutely no reason to specify the town in the name= tag (moreover, many of these are generic names, not the POI’s actual name).
Frankly, this situation reminds of the case of Lithuania, where one power user insisted on some strange tagging before the Data Working Group had to get involved. But at least the Lithuania power user’s edits were always made with parseability in mind, so they were easy to find and fix, but I fear that undoing the damage in Azerbaijan will take considerable effort. I’m just a single mapper; how can the community come together to ask MenKauRa to stop mapping for the renderer? I would suggest an automated edit to remove backslash+place from name= tags, but this needs to be debated by the community. If there is a better place for this discussion than this section of the OSM Forum, please let me know.