Analysis of Laughter

What do you guys think about this:

http://www.nytimes.com/2007/03/13/science/13tier.html

Basically:
"Occasionally we’re surprised into laughing at something funny, but most laughter has little to do with humor. It’s an instinctual survival tool for social animals, not an intellectual response to wit. It’s not about getting the joke. It’s about getting along."