While this is true I personally think that Veteran Marksman is a better talent. It gives a stacking buff every time you hit with pepper that increases it's damage (and as it's splash damage hits for a % of it's damage it increases that too) late game you have an 4th AA that can end up hitting harder than Nova's explosive snipe and the attack speed to pump it out scarily fast.
I got the above pentakill screenshot with this talent combined with Bounty Hunter (gives pepper giant killer, an armour boost for you and makes it activatable) which is a brutal combo when the enemy are in a choke point (as they were because they had just done the boss and were exiting the boss area). The talent combo allows you to open fire (causing your banshee to follow suit) proc pepper for massive damage to the main target and massive splash damage to the whole team, then hit D to do it again.
Using this I had globalled Sylv before the team even realised they were being ambushed by one dude, I was then able to finish of Zagara and use a Penetrating Round to knockback the remaining three killing Tychus before Deckard had a chance to heal either. That left me alone with Deckard and Leoric, and I was able to kill Deckard quicker than he could heal himself before finally turning my attentions to Leoric, a warrior, who I then burned down due to having (IIRC) comparable health to him due to my lolworthy stacks of Behemoth Armor (Gain 250 Health. Increase this by 5 every time you hit a Hero with Acquire Weak Spot) and more self healing than him due to my Fuel The Rush (triples the rate of CD reduction on E from basic attacks while W is up).
Granted they had just had a boss so weren't all on full HP and their heroics were on CD (or they just didn't live long enough to press them), but it was 5v1 lol. Busted as ****