User blog comment:TerrariamcSwaggins/STOP SPAM/POINTLESS BLOGPOSTS/@comment-24044796-20140106025408/@comment-7697305-20140107234818

By the looks of things, deleting a user's only blog post doesn't remove the badge from their account. (As an example, user 's only blog was deleted at his request, but he still has the badge for creating it.)