That is not abuse. Again, players may report any post they feel is against the forum code of conduct. Being wrong is not abuse.
Abuse is defined as:
EDIT
I do have good news for you about forum reporting though. The forums are migrating to a Batteltag based backend for the system. Each Battlenet account will have one Trust level that applies to all posting alts, one set of flags, one set of likes, one Ignore list, etc.
Our real Battletag will not be displayed - they are using a WoW forum ID made of the non-unique text portion of your Btag + a new random number. You can still post on alts with your avatar displayed.
My account is already migrated if you want an example.