HN dupes don't go by dictionary definitions for fairly straightforward reasons that have been covered on HN many times. The discussions on stories of the same t

HN dupes don't go by dictionary definitions for fairly straightforward reasons that have been covered on HN many times. The discussions on stories of the same topic tend to be the same, there's limited space on the front page and without de-duping/merging such discussions, some stories would just dominate the place and HN would become a lot less interesting.