Is it? I just looked up the best decks for Classic, and it did include all the decks that I mentioned among the list. I did forget about Control Warrior and Control Priest.
DLMdD seems to concur with my viewpoint.
I find this surprising, along with SparkyElf’s recommendation of Mercenaries as the mode to play, since I play-tested Mercenaries extensively, dropping about 10k gold on the mode during the first month of its release, and my review of it was very critical:
I see Mercenaries as a disaster, but hey, “different strokes for different folks.”