On the question What's the relationship among the many uses of the name "Praxis" in sci-fi?, there are several deleted answers that were deleted by the Community ♦ user: here1, here, and here. For example:
How did this happen? The Community ♦ user can delete spam and offensive answers if they receive six flags (or a single moderator flag), but in such cases the text of the post will be hidden. A post can also be deleted if it receives six “Recommend Deletion” votes from the review queue, but then it shows the names of the people who deleted it. It must be an automatic process of some sort, of course, but what is the criterion?
1: All deleted answers only available to 10k+ users.