Yes but sadly for Mesut there's more to playing football than fliicks and eye of the needle passes. You may have noticed GG that consecutive managers had no place for him in the team and Unai seems to be doing rather well now, as is Arteta in my view.
Meanwhile, Mesut is trying to find a job in whichever Turkish team is desperate enough to offer him one. Sort of like Aaron Ramsey.
No one would deny Ozil's talent, but it's ridiculous to suggest there weren't issues with him. If there hadn't been he'd still be with us, or more likely still with Real Madrid.