Making a pun out of McCain's name to imply that he is "lame," like "bush," or the "same" as bush is far less offensive than conflating Barack with Osama Bin Ladden. There's a big difference. The latter is closer to McKillsbabiesandrapestheircorpses. I didn't see that in the McCain thread.
As for my Obama name preference? I'm partial to Barry Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Bear Obamawama.
It just sounds cute.