^
just like with Valverde. It is unreasonable to criticize people's limitations. You criticize them when they underperform and once you realize that this is their best, you then go for those who decide to keep them.
For example, a player plays poorly, you criticize him then if he does not improve you should start criticizing the manager and if the manager does not get it you target the sporting director and if he also does not do anything you blame the president.
I do not understand those who criticize Rakitic, for example.