Question: I saw a user who asked this question [i wanna know more this Fibonacci's operating Principles](https://stackoverflow.com/questions/66270493/i-wanna-know-more-this-fibonaccis-operating-principles#66270493) who then voted to close his own question.

What results from a person closing their own question rather than just deleting it? Are there some question/answer rep points possibly awarded on such question (Not a case here... but potentially...) Why would a person vote to close their own question?

Are the impacts on the close vote queue and re-open queue review negligible?

I wonder about that particular use case... Should it instead automatically trigger a delete of the question?

I think if a user wants to close its own question... It is equal to delete it. But I may miss some aspects too.

Answer: 
Guiding users to delete content sounds like a bad idea.

I don't think there is serious misunderstanding of what "close" and "delete" mean even for new users and I'm pretty sure number of "self-close" vote is very small to deserve any additional work even if there is some value in it (I'm not interested in the exact numbers as I don't think it should be implemented even if there is enough close votes, but the feature request can be improved by actual usage numbers).

At least half of close reasons are not about "this is not suitable for SO ever" but either "need to be improved by OP" or "resolved in a way that answers should not be added to this post". Only "belongs to another SE site" and blatant recommendations requests deserve deletion (and many recommendation requests actually fine if reworded to follow rules).

Guiding users toward removal of the content imply that it is something that SO/SE actually encourages. This is not the case as it is generally preferable to improve content rather than remove.

And guiding new users toward deletion of the content may push them toward question ban, especially if that was for a question that was "resolved in a way unlikely to help future users" with an answer.

Overall I would prefer users to be guided toward close, improve and re-open rather than delete and re-ask.
I think, no - if the user has the intent to delete the question, but he can not, it has a reason (mostly, to not lose the work of the answerers). If the user has no intent to delete his question, but wants to close it on some reason, then he gets his vote to close it.

I think, what could be done better:

1. Users might get decisive close votes to their own questions, if they want to close it on some reason.
2. The most likely cause of the intent that the user wants to delete his own question, is that it was deeply downvoted. Currently, deeply downvoted questions can be disassociated from the user's profile, but it requires the /contact form (i.e. a CM can do it manually). This process could (should) be automatized.