By way of explanation, I live in a trendy urban neighborhood with a few very cool bars. The first thing about hipsters is that they're pretty good at finding the cool bars. And notice I'm not putting any scare quotes around 'cool'; these bars are genuinely cool. They have great decor, not too loud, cheap drinks, decent staff, but one fatal flaw: they (deliberately?) attract hipsters.
At this point I should say that I've read a good 50,000 words on why everyone hates hipsters, which includes variegated attempts at defining 'hipster' and a series of explanations or propositions for why 'everyone hates hipsters.'
Let me simplify this whole belabored genre of cultural commentary by saying this: the reason 'everybody hates hipsters' is pretty straightforward. It's not a question of aesthetics or political affinity. It's fundamental to a thinking human. Hipsters are a subculture or cluster of subcultures whose identity is based on an irreverence for authentic striving, whether it be a commercial corporate/office striving (careerism, consumer culture) or a general disregard for 'trying too hard.' And yet hipster subculture is one of striving to be anti-striving, trying too hard to be insouciant. Everybody hates hipsters because everybody hates hypocrisy.
So when I go to a local bar and some balding guy with outmoded jeans and thick-rimmed glasses happens to be standing directly in front of the door to the stairwell, and when I open that door slowly but happen to hit him in the back with it because his dumb ass is standing in front of a high-traffic door, and he says 'you have to sneak by; GO! Come one man, GO!,' my response can be nothing other than blank stare and vigorous thought processing. What I had just received was attitude, and it came from a man who was thoroughly confident that he was not only in the right, but also in the know. This kind of blind and unsubstantiated self-assuredness is not only the hallmark of the hipster subculture; it's a stain on human progress.