I don't understand this argument. Doesn't every tag change anywhere "break
every editor/renderer/search/data user" whether or not you think it is
correct?
John has just as much right to go change all the amenity= tags to something
more specific as you do to keep them the same. Data consumers of all kinds
need to accept both kinds of changes.
Every Smartphone OSM data consumer I've looked at has been unusable
because of tagging interpretation. Compared to OSM, data consumers seem to
be very inflexible and unaware of any but the most rigid tag schemes that
haven't changed in the past year. In other words, about 30% of mapping
labor goes to waste because it's impossible for consumers to keep up.
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