I really don't have any in-depth knowledge of the entertainment business in Hong Kong but obviously the people in charge pursue a kind of "island policy" to keep their efforts a secret.
我對於香港的娛樂事業瞭解並不深，但可以看見的是業者採取閉關自守的「島國政策」，將自己的心血結晶藏諸名山。