If they're leading by example, we should ditch WordPress.org and PHP in favor of node.js web apps and frameworks too, since it's the way of the future?
I happen to wholeheartedly agree. It's just that the developers of the 40,000 plugins who have bet their farms on PHP WordPress might at least want a clearer indication of what exactly is happening here.
The only thing I could find about where this leaves wordpress.org is buried in this wired article:
http://www.wired.com/2015/11/wordpress-com-gets-a-new-face-a...
"For the backend code, the team used the popular server-side JavaScript platform Node.js. For users who host their own version of WordPress, Automattic will host the Node.js portion of the code on their own server, with which the Jetpack plugin will communicate, freeing up web hosts from having to support Node.js."