LAST MONTH IN PARIS, Korean rapper Mino appeared on the catwalk during Louis Vuitton’s spring 2020 fashion show. A member of the Korean pop (“K-Pop”) group Winner, Mino is one of the biggest celebrities of the moment. Within hours of the show, Korean pop culture websites like Soompi and Koreaboo picked up the news, as did American outlets like Vogue.com (which reported that Mino “stole the show”), E! Online and curiously, Yahoo Finance. A thread on the K-Pop Reddit forum, which boasts over 387,000 members, is dedicated to the walk. Mino’s own Instagram, followed by nearly 5 million fans, teems with comments such as “Congrats...