I know Mahrez and Eriksson were cheap, and that Pogba was overpriced but when was the last time Wenger bought a player like them and made them world class.
If we are serious about replacing Cazorla, who is one of our most important and influential players, then we need proven quality at the highest level.
We have very few top quality players, and if we are not going to keep Cazorla, and possibly Sanchez and Ozil as well, we can't start taking punts on players like this, unless we buy proven quality.
If we bought Isco for example, as well as Fornals, I would have no problem, but if we replaced one of our most influential players with just Fornals, then we are going down even further.
It's this penny pinching attitude Wenger has towards transfers that has got him into this mess.