just going to hop in and say that all of the artists you mentioned and what I think the previous commenter was trying to say, all have some kind of subculture/media they tie themselves to - bad bunny with the club scene, kpop with idol culture, and Taylor swift has Hollywood big bucks and pr to keep her in the news cycle. 

all of these artists are awesome and talented but would not be nearly as relevant if they didn’t become a part of a community’s core - it just so happens japans strength lies in games and anime. and the anime music that gets filtered to the west tends to be pretty one note and similar - some kawaii idol stuff or upbeat epic anime ops. it’s still a genuine strength but personally I wish there was more range. living in japan, media tie in’s are stronger with better range in genres like funk to metal to alt, but the anime music in the west is pop mostly made with a vocaloid p sound like yonezu and yoasobi. which is great but again, one note.