You can take everything in that article and replace it with just one metanarrative: Transition from problem to solution. The similarity of start up pitches, or

You can take everything in that article and replace it with just one metanarrative: Transition from problem to solution. The similarity of start up pitches, or any sales pitch for that matter, is explained by the function of a pitch: to demonstrate the benefit of a product. I think the article you linked to needlessly complicates the matter. If you're writing a pitch, just tell them how your product improves someone's life.