First off, because if Team McCain claims such a thing, they're wrong. And second, it adds balance to the daily sniveling and whining from the other side.
See link, previous.
they're wrong.
Then Team McCain seriously needs to re-think its collective approach, re: swaying others toward their own point of view. As demonstrated earlier, their current tactic of tantruming all over the FR boards on a daily basis and referring to any/everyone disagreeing with them as "purists" and " Ol' Juan's desperately gonna need in order to be even remotely competitive vs. Obama in the months to come.
... or, failing that: y'all can just go right on whizzing this election down your pantslegs. I sleep just as easily, either way.