Doug Hepburn laying out the cold hard truths
"The curl is comparatively simple compared to other barbell exercises in regard to technique and energy output. You might say, with tongue in cheek, that this is partially the reason for the curl's great popularity as an exercise."
It's basically a lift for pussies
Doug Hepburn Canadian strongman and weightlifter. He won weightlifting gold medals in the 1953 World Weightlifting Championships as well as the 1954 British Empire Games in the heavyweight division. He is also known as the first man to bench press 400, 450, 500, and 550 pounds (raw). During the 1950s he was publicly known as the "world's strongest man" for his many feats of strength. Hepburn has been inducted into the Canadian Olympic Hall of Fame (1953), Canada's Sports Hall of Fame (1955), and the B.C. Sports Hall of Fame (1966)