In this episode of Pitchfork’s Overrated/Underrated, Jack Harlow rates TikTok dances, John Calipari, Nirvana, Eminem, The Irishman, Los Angeles and much more. At one point, when the Eminem question came, here is what he replied: “These days, Eminem is underrated. He catches lots of slander from the new generation. I…