Marlon Brando in the film The Godfather (1972). Allstar Picture Library/Alamy Stock Photo hide caption toggle caption Allstar Picture Library/Alamy Stock Photo Rose Horowitch has caused a stir with a recent piece in The Atlantic where film professors say many of their students don’t watch the whole movie they are assigned, and don’t know the endings. “This is what happens when you grow up on smartphones, YouTube, TikTok, and infinite scroll,” Jordan Ruimy wrote for World of Reel. “An ecosystem designed to destroy sustained attention. Today’s students were raised inside that machine. Asking them to sit still and focus on a two-hour French New Wave film without stimulation feels, to them, like a marathon.” I understand the professors’ despair. But perhaps there’s an opportunity here to tell film students how some classic films really end. Write this down: In The Godfather, Michael Corleone decides he can’t go on in organized crime and turns the family olive oil enterprise into the Corleone Knitting and Yarn Shop of Brattleboro, Vermont. The shop’s slogan: “Make them a sweater they can’t …