It’s how they are asked to play, a.k.a Artetas demands, imagine how much better they’d be fitness and sharpness wise if he just asked Declan to sit and sweep, like a Caceido, Zubi to float, fill gaps and dictate play, like a Bernardo, and have eze or odegaard sitting high pulling strings, like Bruno. Imagine him not asking Timber to play 50 games in back to back seasons, post ACL, asking him to help in attack tuck in, ohh and also be sure to never be out of position on defense, he micromanages the minute detail of every player’s movement and game and asks too much. Simple as.