Has the OP's account been hacked?
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No, but it appears he does not want anything to do with that off topic question.
So now our dear friend anonymous owns it.
The poor question has long history - the OP probably got "fed up" with all the moderators messing with his post and as he failed to delete it, he did the next best thing he could.
Personally I agree with the decision to close the question as Off Topic instead of Not Constructive, but can also understand the OP point of view.