If you don't need node than don't use it, and yes it's not for serving static pages, but more for interactive real-time web applications. And the part where he

If you don't need node than don't use it, and yes it's not for serving static pages, but more for interactive real-time web applications. And the part where he says that focusing on serving the HTML is less important because it's just 3% of the content seems flawed, because if serving html is slow then the other contents too will be loaded later (the HTML is what requesting them).