I disagree with the "gore" tag automatically changing to Guro. It took me a while to realize this, because I kept replacing the guro tag with gore and getting irritated that some prick was undoing all my edits.
As I have edited the wiki, and as the case is, Ero Guro is Erotic Grotesque. Note the EROTIC. There are plenty of images that have gore in them but no sexuality, and for some reason these are tagged Guro.
Updated by KeliraTelian