User morbosfist recently reverted an improperly-deleted article, I've commented on the deletions thread here. As Troy noted, this is against the rules (which state "If an author attempts to self-delete their work and fails to do so properly, either by blanking the page or renaming it, it will be deleted fully by Staff. … Please feel free to bring improper deletions to Staff's attention, but don't revert or edit them yourself.")
They've also made a noticeable number of other edits on SCP articles; the edits made on SCP-906 were unnecessary and as such, reverted. Vezaz is currently looking into the other edits to check.
Will PM momentarily.