When dealing with a broad audience, logic and evidence don’t count, the metaphor counts.
Human beings understand complex issues by employing metaphors. Metaphors simplify and make familiar issues which are in themselves complex and arcane. A metaphor describes one situation as similar to another, the second more well-understood. It is a type of analogy and transfers meaning from one context to another. A metaphor is not logic. Trafficking in the wrong metaphor is a most insidious and dangerous practice. It is pervasive among the pundit class.
The most ubiquitous metaphor is the market.
Pundit's Guide, with the new working title "Earth to Talking Heads," is an interactive feature on the website. Looking at how the economy is vs. how it is relayed. Look, comment, complain.