The accuracy and context of that quote aside, a person is more than the sum of his policy positions.
That said, let's assume for a minute that you are right. Rudy is a liberal. (ASIDE: I would argue that calling him a liberal is just as spurious as calling him a conservative. He is some of both and some of none.)
Surely you aren't suggesting that there is no difference between electing a liberal and electing a Stalinist? You lose all credibility when you make that argument.
Sometimes you must go outside the system to save the system. Lincoln understood that and saved the nation. Would that some on this forum understood this, too.
It is no assumption, it is truth...