Sometimes, a question pops up which can not be answered by the community. These questions are often aimed at the developers of a certain plugin/framework.
Yesterday I encountered one of those questions. To answer this question you need certain knowledge only available to a small group of developers; those working on Polymer. Today, I flagged it after reading the OP's comment.
However, I was unsure how to flag it. None of the options really covered this situation. Thus, I flagged it for moderation attention adding the following note: This question can not be answered by the community, only by the Polymer devs. Should not be asked on SO or any other SE site. As I was semi expecting, this flag was declined.
How do we flag questions which can not be answered by the community? Off-topic? Too broad?