The same sort of thing happened in my dispute with the National Trust book: Follies: A National Trust Guide, which implied that the only pleasure you can get from Folly architecture is by calling the architect mad, and by laughing at the architecture.
I had surgery to repair the ACL in February 2010 and was back in the gym by June, but rushed things too quickly and ended up re-tearing my MCL in September.
It is such a social thing, laughing. Two thousand people in a room laughing is such a great buzz and they tend to laugh much more in a group.