Anbutou, although your post makes a lot of sense, I have to comment one small thing.
Anbutou wrote:PvP isn't, and has never really been about individual skill.
Actually, PvP is entirely about skill. Somebody who doesn't know how to play their class right for PvP will have a lot less success than somebody who is more experienced.
For instance, I have a Shaman, which is rumored by many people as overpowered in both PvP and PvE. Sure, but I nearly always lose in duels, and I have never won a match of Arena before. The main reason for this is because I don't know how to kite a player well, every time I try to turn around for a Lightning Bolt they're already pounding on my again just when I'm trying to finish casting it. Yes, my Shaman is Elemental.
But, I have seen Elemental Shamans who play like professionals, managing to win a duel without losing more than 80 percent of their health, or without even getting hit. These people do know how to kite well, and are a lot more successful than me.
And I have seen these cases with multiple classes, not just Shamans. Plus, people can lose in Battlegrounds due to the lack of skill from just one or two players, who don't know how to use their class for PvP or when to time their skills right.
So for the record, I'd like to say that any kind of PvP indeed is about skill, although I won't admit that gear might give you an advantage.