You don't mean quest rogue here, right? It was a good deck, not OP. Rogues weren't tier one for a long time.
Quest rogue would be a bit of an exception to this, since it was a clearly strong deck from day 1, although it was certainly refined a lot over time. I mean the more aggro and miracle style rogues that pop up over time, sometimes it's arcane giants and edwin, sometimes coldbloods and leeroy jenkins, sometimes malagos. Sometimes murlocks. Sometimes just pirates beating in the face. The nerf rogue quip was about how it's gotten some of the biggest nerfs, loosing Blade Flurry, Conceal, small time buccaner, Leeroy Jenkins and auctioneer price increase, backstab nerf, even their hero power. But unlike other cards and decks that blizzard takes the nerf bat too, rogue seems to just keep on trucking, rogue might not have been the most broken opop deck ever recently, but it's been a long time since it was in the dumpster.
Hunter will always have a certain tendency to crush low ranked players, because aggression is almost always very effective against poor players of any game. It's not great, but I'm not sure it's a reason to kill Hunter.
Well, it's certainly not a great situation all round, but I think making it bad is an understandable reaction. Most players of the game are those at lower ranks, and their experience in the game matters as well. When hunter becomes just so good against lower ranked people but trash at high ranks, you sorta have to choose to let the minority of high ranked players have a single bad class that'll be mostly ignored in the meta in exchange for balancing lower rank play, or let the majority of low ranked players have a single super powered class that crushes their meta just so that high ranked players can have one more t3 or 2 deck in their meta. ¯\_(ツ)_/¯
I don't think there's an easy answer there, but I think it's at least understandable why they went this way.