Fury warriors become mana sponges since we take 30% increased damage when enraged (20% if talented). Our damage is near the bottom of the barrel when compared to equally geared classes.
I'm currently ilvl 855, 878 artifact wep./lvl 20 and get turned down on mythic dungeons on pugs and norm EN.
It sucks when I'm in heroic dungeons and barely getting top damage by other classes that are 10-15 ilvl below me.
But the rotation is fun to play and feels very smooth and doesn't feel clunky like arms. I'm hoping that there are changes to our survivability and increase our damage to be competitive in raids.
Just play what is fun for you. I'll still play fury no matter what.