He called out the twitter (Rails) guy by name. I've been involved in the industry since dotcom times and that was the first time I've seen a single engineer been singled out for media ridicule. The scenario was like a junkie lashing out at his dealer for denying him his fix.
Just because he called out a single guy who was unable to make something scale doesn't mean he was dismissing the entire technology (as, clearly, he hasn't).
