I think I agree. Perhaps if it was titled "Thread versus Evented single core servers" it would make much more sense. Having said that, there are ways to scale out to fill the cores for event based, and in some cases (ie nothing needs to be shared, would suit event based as IO bound) works just fine. There was an interesting article which I to me looked like it was uncovering that: http://dosync.posterous.com/clojure-nodejs-and-why-messaging...