A brief analysis of politics
Leftists are the "we know best" people, meaning that they are intrinsically arrogant. Matthew chapter 6 would not be for them. And arrogance leads directly into authoritarianism
Leftism is fundamentally authoritarian. Whether by revolution or by legislation, Leftists aim to change what people can and must do. When in 2008 Obama said that he wanted to "fundamentally transform" America, he was not talking about America's geography or topography but rather about American people. He wanted them to stop doing things that they wanted to do and make them do things that they did not want to do. Can you get a better definition of authoritarianism than that?
And note that an American President is elected to administer the law, not make it. That seems to have escaped Mr Obama
That Leftism is intrinsically authoritarian is not a new insight. It was well understood by none other than Friedrich Engels (Yes. THAT Engels). His excellent short essay On Authority was written as a reproof to the dreamy Anarchist Left of his day. It concludes: "A revolution is certainly the most authoritarian thing there is; it is the act whereby one part of the population imposes its will upon the other part by means of rifles, bayonets and cannon — authoritarian means"
Conservatives adapt to the world they live in. Leftists want to change the world to suit themselves
Given their dislike of the world they live in, it would be a surprise if Leftists were patriotic and loved their own people. Prominent English Leftist politician Jack Straw probably said it best: "The English as a race are not worth saving"
Why do conservatives respect tradition and rely on the past in many ways? Because they want to know what works and the past is the chief source of evidence on that. Leftists are more faith-based. They cling to their theories (e.g. global warming) with religious fervour, even though theories are often wrong
Thinking that you "know best" is an intrinsically precarious and foolish stance -- because nobody does. Reality is so complex and unpredictable that it can rarely be predicted far ahead. Conservatives can see that and that is why conservatives always want change to be done gradually, in a step by step way. So the Leftist often finds the things he "knows" to be out of step with reality, which challenges him and his ego. Sadly, rather than abandoning the things he "knows", he usually resorts to psychological defence mechanisms such as denial and projection. He is largely impervious to argument because he has to be. He can't afford to let reality in