It is. Wrathion is purposely pitting Alliance heroes against Horde heroes by promising them trinkets and baubles. Chances are that he'll use us in a way we do not like eventually.
I am more inclined to believe that Wrathion is using the war in order to hone us into weapons for the final war against the Burning Legion. Rather than having us come out weaker from this war, like the Legion surely wants, we will come out stronger and more focused than ever.
We will see, though.
He has a strange way of making Azeroth stronger if his tactic is to pit the strongest heroes against each other instead of keeping them all alive.