In all fairness to KPOP/Drama/Films, China is the center of the Asian entertainment market. There is nowhere else in Asia that can generate this kind of income.
https://mobile.twitter.com/varietyglobal/status/1361040401482739712
https://variety.com/2021/film/…year-2021-1234907891/amp/
"February 14, 2021 10:11am PT
China Box Office Hits Huge $775 Million Holiday Weekend, Led by $424 Million ‘Detective Chinatown’ Debut
Courtesy of WanDa Pictures
China made history this weekend with record sales of nearly $775 million (RMB50 billion) within the first three days of the Chinese New Year holiday, led by an incredible $424 million (RMB2.74 billion) debut from “Detective Chinatown 3.”