Board Thread:Naruto Discussions/@comment-26127155-20150326052215/@comment-28861328-20150417185628

Regardless of whether or not it makes sense to you, that's how it is. Japanese (and foreign languages in general) are much more specific than English when it comes to word choicing. So no, "world" is not open for interpretation. The Otsutsuki are aliens, that's a fact.