Actually, it solves quite big problems, people are using Node, Tornado etc for nowadays, and it also uses them in a uniform way with more traditional problems,

Actually, it solves quite big problems, people are using Node, Tornado etc for nowadays, and it also uses them in a uniform way with more traditional problems, and with far more flexibility and agnosticity (language, network, etc). The problem is it doesn't have enough "marketing" behind it, for many reasons: it's not dead easy to setup yet, it doesn't use a language du jour like Javascript, it's not related to Rails...