Suppose that I have thought of a significantly sharper way to pose a question which has already been asked on this site. My question is a duplicate, but is likely to attract significantly better answers than the original.
Suppose that my question really is a duplicate. Suppose that it makes no sense for me to slightly modify my question in an effort to evade the antiduplication rule.
What to do?
Here is a possible (or at any rate plausible) example.