He's far more of an idealogue than you think, and he exposes his ideology when he makes comments like this. He's a big-government, nanny-state globalist from New York City who supported Giuliani not for pragmatic reasons, but because Giuliani fits his definition of an ideal "conservative."
The good news is that the big-government globalists in the Rupert Murdoch media empire are apparently going to ditch Rudy Giuliani as their standard-bearer. The bad news is that they are just as likely to turn their support to Hillary Clinton as anyone else.