Chris Huntley takes time out to explain what Dramatica is and what it isn't. The controlling idea? Author's Intent is everything. Effective narrative structure may be only one of four phases that go into the creation of a story--but if the Author strives to say something meaningful with their work, it is the most important. You can get by without, but you'll need to connect on a different level.
Our primary goal was to describe as accurately as we could the elements and processes that comprise the creation and analysis of grand argument stories, as well as the larger connection to the processes of human problem-solving and psychology that they mirror.