Why did Rodri win World Cup Golden Ball over Messi despite 0 goals, 0 assists?

Spain captain Rodri won World Cup Golden Ball despite recording no goals or assists because of his command of midfield. He completed a tournament-high 747 passes at 93.4% accuracy and was involved in 1,803 plays. He also topped the Power Rankings for defence, with score of 8.23. Rodri had the most touches and most tackles in the tournament as well.