Obviously she was looking to engage locals by writing in English (which has very low penetration) on a platform that’s normally inaccessible to locals... I think context is owed the reader.
Secondly, giving that context requires the writer to know that it's not normal. If it's not normal. Yet you've failed to give that context. Your comment could just as easily be linked to in a forum mainly used by Hong Kongers or Singaporeans. Obviously, you have no reason to accommodate them because you shouldn't expect them to be your audience.