Everyone in software has their ignorances; Capers Jones wrote, "design methods such as the unified modeling language (UML)". UML was birthed by (OO) analysis and design methods, but it is not a design method. The Three Amigos created RUP as their unified method.
I've seen him refer to Object Oriented (OO) as a method as well. Of course to be fair, I've also seen other people spout this ignorance of OO and UML. OO usually refers to a set of anecdotal rules that users of OOPLs follow. #UncleBobSux