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Mathematics Educators Stack Exchange is a question and answer site for those involved in the field of teaching mathematics.
and
With your help, we're working together to build a library of detailed answers to every question about teaching mathematics.
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Specific issues with teaching mathematics
Real problems or questions that you’ve encountered
Don't ask about...
Anything not directly related to teaching mathematics
Questions that are primarily opinion-based
Questions with too many possible answers or that would require an extremely long answer
I am creating this post to gather in one place all the topics that are not clearly on-topic. (This is not the same as topics that are clearly not on-topic.) Please post as answers such topics, then users can upvote or downvote these answers, with upvotes meaning they think the topic is on-topic and downvotes meaning they think the topic is not on-topic.