Unpopular opinion incoming.
I think his hunger for the game started dwindling during the miserable covid19 football season, particularly after that Lyon game, his post match comment showed just how pissed he was and then just when some normalcy starts to return to football, we get the chance to finally lift the damn thing only for rudiger to smash his face in.
KDB is a player who has to be in the right state of mind to play at his best, he needs to trust in the individual abilities of his team mates, right now it seems like he doesn't think of his team mates as being competent so he tries to hard to do everything himself.
I think Pep should give him some considerable time off to recharge and recalibrate his mindset.