No more 8 vs 8 Ranked Warzones? You know how much of your little PvP community you're going to loose if you implement this?
Maybe like a dozen? Assuming that those dozen care.
If you think RWZs were happening before you weren't paying attention, and once they add 4v4 ranked queues it would be a completely dead system. Removing them at this point is housecleaning.