It’s not possible in a certain situation.
Yes, you could be not arrogant and not condescending, if you never took interest in politics or public affairs.
But the moment a man starts becoming political, the rot in his humanity becomes evident. It starts out simple. First you lose interest in fishing. Then in hunting. Then in bicycling. Then in jogging. Then in beautiful women. Then in playing videogames or reading interesting novels.
Then you shut off your computer, and instead start reading books on economics, books on politics, books on philosophy, magazine articles and editorials, and show sudden obsessions with things like the history of labour laws and what effect they had. Then you only open your computer just to dispute such matters on news sites or blogs. Then in informal conversations with friends, the topic somehow suddenly shifts to such matters and leaves you passionately involved in it - and more than you need to be.
The loss of all positive passions and strivings is replaced with easily justified outrage, with you going: “How can a man see those innocents killed in Iraq and defend those soldiers, dammit?!” And in this environment of intellectual hostility, and only negative emotions left, bad manners become high class behaviour, sarcasm becomes intelligent and refined, and condescension useful and necessary.
And suddenly, you are very much like David Cameron facing off Gordon Brown in the parliament - arrogant and condescending in every breath.
What I am saying applies to every person who gives serious thought to political matters - syndicated columnists, TV talking heads, journalists, political cartoonists, political commentators, protesters on the streets, and ordinary folks.
What I am saying applies to all sides of the political spectrum. Leftists, conservatives, warmongerers, anti-warriors, and so on. Just open Creators.Com, and see all the fuming and furious anger coming from Robert Scheer, Benjamin Shapiro, Marc Dion, R. Emmett Tyrell, Froma Harrop, and Mona Charen.
Did the above things happen to me? No. Was I once falling down that slippery slope? Yes, I have and a few times. Every time, I recover by telling myself that I am an apolitical person and have no interest in the political process to begin with anyway. The interest in short stories leaps back, I can hear people say outrageous and despicable things without getting offended, and mostly get back to worrying about matters like whether I can reach the planet Neptune in my lifetime.
The only thing promoters of liberty can do is socialize, discuss, and mingle with fellow men and talk about whatever interesting matters they can talk about. Living life in civil society is the only way of protecting civil society. We don’t become moral beings by memorizing lists of rules, but only by living among our communities and building life on it.