And are you saying Jan and Toby don't?
No, the point you keep dodging despite everyone else seeing it in too many matches is Aurier's brainfarts.
Regularly every few games.
If he didn't do them (and they arise from sheer stupidity, so entirely controllable) he'd be a decent RB, as he does most other things he needs to do to a decent standard.
Bit these brainfarts means he is too inconsistent to be a good defender - hence (and I'm repeating it as you seem to miss the point) , Mourhino playimg him in a very advanced position for a RB all the time.