I'm hoping to use the Ziegler story as kind of a jumping off place tonight, so make sure you read the wonderful DFW Atlantic artile. Harry has the link here.
When you read that, then remarks like the one Courtney flagged make more sense because they kind of fit with the way people talk in that environment.
Joe's own personal story kind of confirms Nate Silver's basic point -- that people get tired of being stimulated in a certain way. Here's some more analysis by Kevin.
Ziegler currently makes little documentaries, including this one.
Here's a WSJ article about the poll that touched off this whole imbroglio. And some analysis by Mike.