I must disagree.
I can imagine that players new to the game desire a peaceful place where they can learn the mechanics without being disturbed by other players. A lacking of peace and freedom to learn this game her steep learning curve will scare off new players.
Removing PVE will cause unfair unbalanced battles, where you find yourself in a situation where your opponent is 4 ranks higher than you are, this may sound strange and unlikely but it will actually get to this point, for many players will keep their current ranks on launch.