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Provide direct feedback for rejected migrations

Closely related to gnat's recent suggestion which I agree with in spirit -

If a migration to a SE site turns out to be a bad one because it gets closed as NaRQ, Off-Topic, or too localized, why not automatically inform the users who caused the migration using a notification bar as you get with new badges and such?

It could read

Question x that you voted to migrate to X.SE was closed there as "Not a Real Question". Migrating it there may not have been the right choice. If you're unsure, learn more about how to do a good migration here. (link to a good canonical Meta resource)

this would reach exactly the right people - those who botched the migration - with zero human effort. There wouldn't be any kind of punishment; just this message. I think this could be incredibly educational.

As to how long after migration a closing would have to happen for this message to be shown, I don't have a perfect answer to that but I'm sure it could be determined. One would want to err on the side of caution - i.e. if in doubt, don't show it. The right recipe would probably be some formula of the number of views vs. time. Alternatively, a fixed per-site time limit (e.g. a day on SO, 3 days on less frequented sites) might work. There would also be exceptions: If a migrated question gets closed by a mod within a day of migration, the message would be triggered; if it takes, like, 300 views to get closed, it would not.

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    Very similar to my feature request, though the time/view limit is new: meta.stackexchange.com/questions/115716/… – Mad Scientist Feb 2 '12 at 9:09
  • @Fabian oh, I didn't know that one, sorry. I think mine is a dupe of yours, I'll add the time limit idea as an answer there. – Pekka Feb 2 '12 at 9:10