No need to cancel the show entirely -- it might just be time for another house-cleaning. Can pretty much the entire writing staff and cast and start fresh. When they did that 12 years ago, the show found new legs (people like Will Ferrell, Chris Kattan, Cheri Oteri, Molly Shannon, and Darrell...
The first part of that monologue was really depressing, both because of the invasion of NYC by bland retail and restaurant chains and because at the time it aired I was watching the last half-hour or so of The Departed, which totally went off the rails at that point.