Up untill now, he worked under Conte's shade, continuing his legacy, with the same tactics and formation.
It's a tough start for the team to drop the 3CBs, it may work, orbit may fail. Max has the pride and confidence to try smth else, but as he sees it failing, he is switching it 3-4-3 or whatever works, still not stubborn like other who would keep it regardless of the actual happenings...