I'm fairly new here, and I am not entirely sure what makes a question on-topic or off-topic. Particularly when they are at the edge. But Looking at the Ragnarok question (which I tried to answer). To me it seems that this is asking for an idea generation.
I'm not saying they are not interesting, but it is hard to objectively evaluate which answer is best. It is stated in the FAQ, that
Note that questions must be specific as well as answerable. If you are looking for discussion, brainstorming, or an overall process rather than specific question-and-answers, the Worldbuilding Stack Exchange might not be a good place for your question.
Could someone clarifies WHY these questions are perfectly on-topic on WB.SE?