In 2019, then top-tier ad agency Leo Burnett produced a Cheez-It commercial for its client Kellogg’s called “Taste Test,” revealing much more about the product than intended. The 15-second spot shows a group of hysterical tasters who, once they bite into the Cheez-It crackers, can’t stop and continue to compulsively eat them. “What have we done,” asks the crazed-looking scientist in the…