David Bandurski The Chinese actor and singer Xiao Zhan, whose online fan community prompted greater government attention of such groups, performs at a concert of his TV series “The Untamed” in Nanjing, China, on Nov. 2, 2019. (Oriental Image via Reuters Connect) Echoing Mao Zedong before him, Xi Jinping regularly stresses the Party’s domination of all aspects of life. “East, west, south, north and center, Party, government, military, society and education—the Party rules all,” as he has said . The latest target of this drive to domination is “ fandom culture ,” or fanquan wenhua , which refers to online...