His resourcefulness shows clearly that he's not dumb. He's rather clever.
But he's immature and has some cluelessness in several areas.
He clearly does not care about or anticipate well consequences to his actions. That speaks much more of immaturity, to me, when coupled with his cleverness.
I'm not saying he's a genius. He's just not dumb as a rock.
Or it could be that an angry DV advocate has a son who took over for him or her.