Like so many others whose only excellent performances at the highest level have also only ever come under Ange.
Udogie, Sarr, you could argue Van de Ven and Porro, these guys peaks as footballers, the reason we think they can play in the first place, is because of what they've done under Ange.
The tactics fail to get sufficient results for the team, sure, perfectly fair argument. He's broken players physically, hard to refute.
But on an individual level him turning players into worse versions of themselves just doesn't seem accurate at all and yet people keep saying so.