Perhaps my analogy wasn't clear. I wasn't really commenting on refactoring. I was arguing against the common claim that you don't need to do much design work if

Perhaps my analogy wasn't clear. I wasn't really commenting on refactoring. I was arguing against the common claim that you don't need to do much design work if you're using TDD. In reality, most of the same work does still happen, it's just being brushed under the carpet to make the process look simpler and more efficient than it actually is.