Code: OOP over the top: a hilarious dissection of some of the most monstrous ‘how to rewrite OO-style’ I have ever seen — take a 15-line if/elseif/else clause and rewrite as a thoroughly over-engineered unmaintainable 7-class, 15-method disaster, using the Singleton and Factory patterns. The rewrite in the original article is intended seriously, as far as I can tell.