I mostly disagree with this based on my own observations. I don't know what age group they are talking about here, but I have a 5 and 7 yo. My 7 yo has problems with some of the boys in the neighborhood. They gang up and beat on him sometimes. It isn't because he doesn't understand social skills and he doesn't share. None of them share. They're all selfish. They're seven! If I were to judge, I'd say my son has the best social and verbal skills of all of them, but I'm probably biased. One of the boys that does most of the bullying can barely speak and has the worst social skills of all of them. The reason they pick on him is because he doesn't like to play sports with them and he isn't very good at sports. He also doesn't care to smash each other in the face with sticks. He'd rather play imaginary games outside or computer games inside or program the computer in MIT's Scratch IDE. The reason they isolate him is because he's different and there aren't any other kids like him the neighborhood. If there were 10 other 7-yo computer geeks in the neighborhood and one kid who liked football. The kid who liked football would be bullied and rejected. It's a numbers game.