I just want to throw this out there. So no matter what you do, people are going to chose the strongest champ. So my point is why are you mainly focussing on individual champs vs the entire class? Like take Aatrox for example. He can out dps some with just a dorans shield when they have sheen and phage. If he's played right. And frankly since he can Aoe crit, he's not punished much by wave aggro.
So if you nerf the bruiser class, you're just giving people more incentive to pick him. You either make every class and champ do tons of dmg. Or you nerf everything across the board.