Not sure either :-). I guess I agree with the parent that I don't like all the noise people can make around "storytelling", when they actually sell a "new revolutionary kind of" paper clips to people who did not need them in the first place.
Ah, you mean convincing people they need something they don't. While that is true for some cases, there are a lot of needs people and companies already have.
The last part of a story arc is called the reSolution.
> In fact, one of the first rules of fiction is to always create more problems to move the tension along.
In marketing, story reminds people of their problem. While the product they are selling offers a (re)solution to that problem.