Infomercials use similar temporal structures, but they are forced to use different endings because the whole thing is framed as something offered by the client. So they use the Client offering vast reduction ending.
User, Expert, Expert, Client Discount!
These methods surely have evolved to dovetail with psychological biases: New information leads to a tonic level of skepticism, which should be assuaged soon by expert assurance before it coagulates into general aversion for the product. Once this has been achieved, you can plug a specific product meeting this newly created cognitive shelf-space for a want.
With trend stories, PR firms usually line up one or more "experts" to talk about the industry generally. In this case we get three: the NPD Group, the creative director of GQ, and a research director at Smith Barney. When you get to the end of the experts, look for the client. And bingo, there it is: The Men's Wearhouse.