While giving us a very fine 2-sentence rundown and elaboration of the 20th Century's defining developments, Glen Wishard of Canis Iratus hits a big bulls-eye as he describes "politicism". It's an excellent umbrella term for many of today's Bad Philosophies, and Glen serves up fine article that places these observations in a useful and important larger context (Hat Tip: Jinnderella):
"The rise and fall of the Marxist ideal is rather neatly contained in the Twentieth Century, and comprises its central political phenomenon. Fascism and democratic defeatism are its sun-dogs. The common theme is politics as a theology of salvation, with a heroic transformation of the human condition (nothing less) promised to those who will agitate for it. Political activity becomes the highest human vocation. The various socialisms are only the most prominent manifestation of this delusion, which our future historian calls "politicism". In all its forms, it defines human beings as exclusively political animals, based on characteristics which are largely or entirely beyond human control: ethnicity, nationality, gender, and social class. It claims universal relevance, and so divides the entire human race into heroes and enemies. To be on the correct side of this equation is considered full moral justification in and of itself, while no courtesy or concession can be afforded to those on the other."
I'll add an equally ominous corollary - politicist ideologies' "universal relevance" and definition of humans as exclusively political animals mean that by definition, they cannot allow any private space to exist outside their ideology. This makes politicism inextricably totalitarian, as well as conscienceless.
Newsflash, people: The personal is NOT political. Any revolution based on that will be an atrocity, a failure, or both. The evidence is in by the millions of skulls, which means the people behind such ideologies are NOT noble or well-meaning. Wake up, take a deep breath, and smell the coffee. If it smells like blood... it ought to. So spare me the revolution b.s., and tell me what you're going to build here, now, and in the concrete. I might listen to that.