OSM don'ts: try not to fiddle things in an area with established local community
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That's short-sighted, even if there's an "established" local community.
What's disagreeable is not working with established local conventions. Data, as soon as it's uploaded into the database become part of the commons. It ceases to be "yours" as it become "ours" - and part of the commons. We are only stewards.
@GOwin Fair. To be honest, that would belittle the Missing Maps initiative, for those who mapped remotely in certain areas - IIRC there are people validating map edits on the ground.
I should rephrase "fiddling" where it actually the exact opinion of yours.