I hate, when fury is op, but let me correct you, since half of what u wrote is simply wrong.
20% bitter immunity
Sure, but 3 mins cd and a bad talent to pick.
40% commanding shout
Its 15% unless u take a talent and a pvp talent, which u shouldnt (both) and also a 3 mins cd and no heal, its only there for 10 seconds.
30% impeding victory
Sure.
20% frenzied regeneration
Enraged regeneration. 2 mins cd.
3x 20% bloodthrist while frienzed regeneration is active, so in total 60%
170% total and if bloodthrists heal also for a regular 3% its another 9%.
Even more then three, when done correctly, which most players dont know tho and the normal heal has gotten nerfed down to 2% from 3.
Fury got several hits already, they might deserve a little bit more tho still, but they are by far not the biggest problem.
Just saying, there are three arms on 2,4 in solo, the rest of the specs are up to 12ish, including fury and then there are assas and demos, which are overperforming with 25ish and then theres dh ofc with 57.