There seems to be some magical wand movement that permits mods to send a user account and all its posts into oblivion.1
Normally, according to Shog9's answer to Deleted accepted answer pinned as top answer, deleting an accepted answer should also unaccept it. However, this fails with answers deleted by magical wand.
Link to answer: https://superuser.com/a/502083 (requires 10k rep on SU)
Screenshot:
The answers acts as accepted for all purposes, meaning that it stays on top of the others answers when sorted by votes, and the questions appears as having an accepted answer in the OP's profile.
1 At least that is what I suppose happens when a post appears just as deleted, not deleted by.