And it's not easy to buff/nerf pvp without effecting pve. Even the Blizz devs have trouble with that and always have.
Yes, it is. It's actually one of the easier types of balancing out there. I offered the same solution to Blizzard (via their forums) that I emailed Allison on today, but it would have been too simple for them to implement it. They gotta make things difficult, you know.