I don't think anyone claimed that Werner scared OCs or forced OCs to change their game plans. He's just a steady LB that is usually in position and usually makes the plays he is supposed to. He's an above average LB and happens to be better than Willie Gay. You would certainly like a better WLB (to the extent that is what he plays in the new scheme) and maybe that will happen soon, but for now, Werner is not close to our biggest issue on defense.
But, how many 4-3 WLBs in the NFL do scare OCs in the NFL or force OCs to change their game plan?