I don’t believe most of the are dumb, just play dumb because their strengths are in manipulation.

In MTG and Beoberts case (amoung others), there doesn’t seem to be a hidden intelligence, just high school bully tactics of reading the room and saying whatever despicable thing the crowd wants to hear to continue bullying.

I.E., the only discernable skill I’ve seen is how to stay in the clique of mean people and direct their hate to anyone else. Like your stereotypical cheerleader / sorority villian.