Agreed, however there are still well meaning people who see disingenuousness as a tool that can be used positively to diffuse conflict in order to allow constructive engagement and ultimately allow reason to filter through. Like you, I don't buy it, but I'm convinced that the Bill O'Reillys of the world may!
People who have a position that approximates their agenda that disguises their position that distances their beliefs confuse me. Now I have a headache, and I'll have to go watch a John Wayne movie to clear my mind.
It's not the first time I've considered that other people are better suited to realpolitik, while I should limit my efforts to reproduction ...