How ‘Idiots’ Director Macon Blair Conjures Big Laughs From the Year’s Cruelest Villain: ‘He’s Actually a Monster That Has to Be Captured Before More People Get Hurt’

“This guy really does need to be contained, because he’s got such potential for danger and violence and mayhem.” Macon Blair is describing the antagonist of his latest movie. He’s no stranger to menacing genre fare, as evidenced by the two other films he wrote and directed: 2017’s “I Don…