It’s hard to use a keyboard in a blizzard. But even on the grisliest of winter days, there’s always at least one student lost in a laptop near the grand entrance gates of McGill University in Montreal. With a fruit-branded notebook, fast food strewn at his feet, and one shoelace undone, the bronze sculpture titled “La Leçon” (“The Lesson”) is a heavy-handed lampoon of student life. It’s the creation of artist Cédric Loth, who has also worked as a creative director and cartoonist. The sculpture is littered with little jokes,…