You talk like it's organized, like a bunch of white dudes with tiki torches. Don't lump these people together with other atheists or the word atheist. Some people might like to be like a club, but as you well know atheism is not a religion or an elite group.
People hate vegans because one time they met a whiny person who happened to be vegan or heard about such a person through the grape vine or on tv. People hate animal rights activists because one group, PETA has done reckless stupid things. People have a bad impression of African Americans because they think rap is stupid, or maybe the rare black person they came across in their dominantly white world, didn't hold the door for them, or who knows what.
Richard Dawkins should be known more for writing The Selfish Gene, and The Extended Phenotype, both brilliant observations of the process of evolution that changed how we ask and answer questions when studying self replicating materials like genes or memes.
He's not an idiot, or a knob. Is he a jerk? I don't think so. If he was, does that invalidate his amazing contributions to science literature? Did he apparently creep on someone once and ask them out? I don't really fucking care. I hate how the microscope goes over these scientists as if they're celebrities who should be judged like pop idols.