Hrrm, might be an American thing. For instance, there's a video that my nieces find hysterical. (They're in their late teens and early 20's.) What amuses them so much is that they know so many people like that. I suspect that many of we Americans know people who talk exactly like Paris, and yes, I found it funny and clever.
As for Carlin--well, I'm not sure what videos you watched. I think he was funnier in the 70's and 80's. There are some things that were just perfect.
Some of the lines from when he was funnier than political....
http://www.innocentenglish.com/best-...lin-lines.html
Although Stephen Wright is probably my favorite.
http://www.fortogden.com/fosw.html