I will agree that Superpower outclasses EQ for Kitsunoh, and I won't deny it. However, what exactly warrants EQ in other sets that make it significant to not include it in that Sub set? I see the same reasoning to include EQ in every other set as much as the Sub set.
I see your point for metagross, but when we look at every set Kitsunoh has, your point still stays valid. Is there a reason to not include EQ in that set as opposed to the others? Does Will-O-Wisp's appearance in that set truly make EQ that less useful? If so, perhaps you should mention something as such in the description.