As I understand it, western streamers also may lose a big chunk of their followers engagement simply by mentioning their relationship. Lonely twitch watchers are sometimes substantial part of auditory, who have feelings to their pure idol. Also, look at the percentage of regular popular instagram (formerly fb) girls who NEVER post their boyfriends. It’s not only a culture, it sells much better.

That said, SK undoubtedly pushes it beyond any sense.