Seems about right. Either way, blanket silences have no skill involved whatsoever and should have been given the axe treatment in 5.2 like they were supposed to.
Try to find/get rogue out of stealth, if you do that it will ruin their opener and the rest of the game.
Hunters are losing intimidate and rogues are losing half a second off both garrote and cheap shot. It's definitely a good start. The agi PvE trinket is going to a 4400 proc down from an 8800 so another good move. Now if we can just do something about rogues as a whole.