You're right and that would be true in the majority of cases but not for Berba. Instead it's more like: the bigger the transfer fee, the more focused the pundits' and opposing fans' critical eye becomes.
Speaking from the perspective of a Man Utd fan, I can honestly say that I'm used to us buying players at exaggerated fees. Look at the likes of Carrick, Anderson, Nani from this current generation and yet they don't come under the same heavy criticism that Dimi does even though, for his respective role, he's been delivering more at a more consistent basis. It's a testament to him that despite not satisfying pundits' expectations, he is still considered by them as arguably the most skillful and talented player in the english league and the miscorrelation between natural talent and goals (I say goals, mind you, and not statistics because his are pretty good) that leads to frustration that leads to his perceived failure.
I don't know if I've made any sense but believe it or not, his price tag issue gets blown up way out of proportion.
