You mean give it to Ronaldo and he will score? No team plans their season around one player scoring more than 25 goals in a season, let alone 40 from a wide player.
No, he means, you play Berbatov you loose a great amount of pace, power and skill in your overall game.
Tevez and Rooney was the best strike partnership in Europe last season, for some reason Ferguson decided we needed to mess around with a vastly overrated and overpriced and over the hill target man, and play him regardless of how little he decides to do in a game.
Today being a prime example of his total uselessness.