I can't see how the berserker can compete with the bear totem barb anyhow, so I'm all for it.
Well, we're using feats in my game, and with GWM the barbarian is at the top of damage already.The Frenzy Barbarian is a DPR build.
The Bear Totem is a tank build.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.