Why do people put stuffed animals on their truck bumpers? I read the NYT article, but it's little help.?

http://www.nytimes.com/2005/11/13/nyregion/13stuffed.html?ei=5090&en=8b7512dec7b97632&ex=1289538000&partner=rssuserland&emc=rss&pagewanted=all NYT Article which is mere urban intellectual diarrhea of the mouth. Who's got a better answer than Jungian archetypes?