Now that MathOverflow is within a flag for moderator away, comes the question.
Suppose that you post a question on MSE, and it's a good question and you get some positive feedback. However nothing remotely close to an answer has come by.
Until a few weeks ago, the standard course of action was to consider cross-posting the question to MO with indication that the question was originally asked on MSE with the link. In some, albeit not all, cases an answer eventually arrives (and then posted back on MSE at times).
But now that MO is within a flag reach, what should be the standard course of action? Should we accept people cross-posting still, or should be consider it better etiquette for the OP to flag and ask for migration?
- The reason cross-posting was reasonable before was that migration was impossible, but now it is possible.
- Asking questions on two sites is generally frowned upon. In particular sites with such a large user base.
- Not migrating the question may feel as if the user is trying to preserve their reputation on both sites, which seems a bit unfair somehow.
- Some users have made it absolutely clear that they do not want to post on MO, and robbing them from the possibility to answer a question (in the case the cross-post wasn't already answered) is unfair.
- Answers on MO may be laconic and consist on references, whereas difficult questions on MSE may receive longer and more elaborate answers which may appeal to the novice, rather than the expert.
- Votes on MathOverflow have a different "flavor" than the votes here. Some questions which are poorly received on MO can take a lot of upvotes here. Migrating a question which is highly voted can cause discrepancy between the voting philosophy and user opinion on MO.
Question: What should be considered the proper etiquette in the case where a user wants to have his question asked on MathOverflow? Should they flag for a moderator to migrate the question, or should they just cross-post it to MO?