谷歌翻译得太差，原文（谢谢链接）要精彩得多。黑帮权力交接就只能是暴力。文中被采访的犯罪学教授说得很到位：

“True bosses are not elected but acclaimed,” says Nicaso. “It is their charisma that protects them and enables them to lead an organization with the necessary firmness. So far, no one has shown to possess his charisma, and when appetites increase, violence erupts.”

这也是对毛泽东成功的最好解释。