A lot of people misunderstand that book. Design Patterns reduce complexity when used correctly. A good book to understand that is Refactoring to Patterns http:/

A lot of people misunderstand that book. Design Patterns reduce complexity when used correctly. A good book to understand that is Refactoring to Patterns http://industriallogic.com/xp/refactoring/ http://industriallogic.com/xp/refactoring/. If you need your code to construct objects without knowing the type, then you need a factory (or other creation pattern). If you don't -- it's overkill. They are using a solution to a problem they don't have.