Risker pointed out marking reports as a duplicate of a WONTFIXed report "without consideration to whether the continued reporting of the same problem from different users should be re-evaluated."
This is one thing that the https://bugzilla.wikimedia.org/duplicates.cgi?maxrows=25&openonly=0&changedsince=90 duplicates statistics could be used for, but it currently does not display bug resolutions.
Version: wmf-deployment
Severity: enhancement