I'm not sure what you have seen from him that suggests he does this.
His tactical approaches are clearly his own machinations. No analyst is going to tell him to leave the middle open. In regards to transfers he has reportedly held out for his own targets and rejected alternatives. The athletic described it as an unprecedented level of control at the club since Fergie. He has supposedly ignored advice on squad management from our Real Madrid guys, banished Sancho for not apologising, benches players for being a few minutes late, and he has reportedly ignored player concerns about intensity of training. He is notoriously stubborn - known for it both here and in Holland.
Everything points towards a man with an authoritative leadership style who doesn't really take that much advice.
The thing is, that sort of leadership style is the most common reason for poor communication between the medical department and the coaching staff.