I can see the logic with Borini. He's supposed to be a forward who plays in a slightly wider position and as an advanced midfielder all rolled into one. His work rate and that side of the game cant be faulted. It's the goal return that is but that same criticism can be levelled at every sinlge player other than Suarez. Actually it could be argued that Suarez should have scored more too!
The front 3 must work as a unit. All of them alternating between creating chances and / or getting into a goal scoring position.