If they actually dropped the damage of FS and buffed other single target skills, I wouldnt mind at all. I would actually be able to mow people down faster, so its fine by me.
4k average crit with 5.5k max crit (With Expertise, Pot, Relic) would be totally fine. Then give slash a buff, buff the leaps and all is good in the world.
A bit more utility and variation in the focus tree (Its still very variable compared to a fair few rotations on other classes, lets be honest) wouldnt be s*****red at.