Style is about fun. True style is not about having a closet full of expensive and beautiful things - it is instead about knowing when, where, and how to utilize your collection.
As a European filmmaker, you can not make a genre film seriously. You can only make a parody.
But a writer's contribution is literary and a film is not literary. When you take that stuff off the page, and cast the people who are going to fit into those roles, that's what being a director is.