I agree with the idea to remove the 120 PvP decks 100%. There definitely are heavily PvP-focused players, but the grind created a natural need for them to mix in with the PvE players. It strengthened the community that everyone had to share the same struggle. I also agree with the psychological reasoning that having the end result of the grind - that is at least in my case a 120 PvP deck - readily available from the start diminishes the motivation to play. When I learned of the free PvP decks I felt a rush of disappointment. There was a certain thrill about playing the Juggernaut for the first
