So the in game assumption is foul prone players also draw more fouls, or at least its the same 'hidden attribute'?
also you would think the foul prone attribute would be connected to the SB attribute, not the defensive attribute. If you look at the stats, high volume shot blockers are also high volume foulers.
Further, if the game is mirroring real life, defensive ability doesn't correlate to fouling. D'Antoni's Suns were consistently one of the least fouling teams despite their possessions per game and defensive abilities.