Sarcasm noted, but the extra swing might actually be worth the 1 extra mana over fiery win axe, now that cheap taunts are around. Control warrior already likes Unstable Ghoul and Zombie Chow. Say you give chow taunt, or coin out Armorsmith and give her taunt. Playing King's Defender turn 3 (assuming at least one of your taunts lives) seems like a hard counter to aggro.
I guess what I'm saying is this: The 3 damage on Fiery War Axe can be overkill against aggro early turn minions, like Leper Gnome, Mad Scientist, etc. Playing your weapon turn 3 is perfectly fine now that this exists.