Like other MMOs in the past, Guild Wars 2 offers multiple styles of gameplay to reach a wider variety of players. ArenaNet offers typical cooperative rpg elements for PvE players, and competitive fast paced action for those that prefer PvP. WvW has always been in the center, trying to grab attention from both groups. That’s why we are seeing Living Story content in in WvW, through the addition of the Edge of the Mist.
Read more of David North's GW2: Edge of the Mists Hopes to Bring in New WvW-ers.