I always say over voice chat "Barrage is off cooldown" and everyone cringes. In their opinion it can't be removed from the game any sooner. Edit: Now I see the OP is wrong.
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Until your mastery is high enough from gear that you pull all the packs behind it. It's not a very engaging talent right now because you're forced to not only adjust yourself to max range, but also position yourself/camera based on gear to avoid pulling extras.