Give him a chance.
What i mean is not Ait-Nouri at left back, but the system Pep likes
Unless you're like Walker with pace to burn in recovery and getting back and covering both centre-backs, then it's dodgy playing somebody as cover,
Look, Pep will say 18 trophies says he's right and who am I to say you're wrong, but it took 2 or 3 seasons for Pep to build that squad of players that went on the amazing run of trophies,
The only question is, does Pep have 3 more years in him at City