For what it's worth, this is how it worked in WoW. People did the BGs to get marks to get gear, then did the Arenas to get better gear. The latter part of that is what's lacking right now. The best PvP gear should only come from Wolves' Den.

People quitting over PvP in a Final Fantasy game of all things is pretty silly though. Anyone who played FF11 knew that PvP was little more than a side diversion. The last thing I think of when I play a FF game is PvP.