People like this are not uncommon. I'm sure you could find some who are just as ignorant about the liberal politician or policy they support. But it certainly seems like there's a greater number who can't speak to the conservative politician or policy. They talk about freedom, liberty, fairness, cutting spending, etc., but when asked about specifics--how those would be implemented--they are at a loss or they just repeat a talking point.
Josh is taking AP Government at school. Formerly uninterested in politics and its ilk, he now speaks up quite often with, "Oh, we just learned about..." and he'll explain in detail the use of guilt by association, political action committees, candidates speaking in general terms about patriotism and freedom, etc. It's great to see him do that. Kudos to Kevin Workman for being a great teacher. Josh frequently complains that Mr Workman makes him think too hard. If only we all suffered like that!
Maybe adults should be required to take a refresher class every few years.