I didn't hear McCain's remarks, but I'm glad you brought them to my attention. I don't like the guy and his comments will make it even easier for me not to vote for him.
In my view, he's the worst sort of politician: a preening, arrogant, nasty, self-agrandizing, pompous media kiss-arse who forms grudges over nothing and holds them longer than most people on the planet have been alive. And that's putting my view of him politely!