It's also important to realize that it's not our goal (nor statistically possible!) to have every champion in the top tier picks list. We just want options to be viable, and especially have them be situational or strategy-based.
Just what is your stance on Rengar? Just how do you decide on what nerfs and buffs are appropriate?
You nerfed his damage output so he can't be played as a heavy-hitting bruiser if he chooses to double q.
You nerfed his ultimate so now it's worse than twitches stealth which is NOT an ultimate.
You nerfed his sustain which makes him harder to be an offtank, jungler, and now extremely squishy in teamfights.
Just what is Rengar's role? You nerfed him across the board and now he seems like a huge mess with no direction. Yes, he is playable; but being playable is not even close to being balanced. He is a fighter who lacks the ability to fight or off-tank, and a jungler who lacks the sustain and damage. His ultimate is completely LAUGHABLE.
I don't mean to be rude, but I just do not understand why you are nerfing him across the board. He doesn't deserve this.