If this wasn't a RoR hatchet job, why put it in the title and sprinkle sarcastic jabs all over the article?
Regarding his recommendation at the end, if someone suggested a server with 32GB of memory to run a site that has "About one user every 10 minutes", I would think "damn, this doesn't scale" :)
It was in the title because many of the snooty programmers who think they're so much smarter than the .NET guys, and who go off and build overly-complicated things that don't work just for the sake of building something complicated, are in love with Ruby on Rails. It doesn't attack RoR so much as a subset of the RoR community.
It pretty much abstains from the topic of RoR as a language and framework.
Regarding his recommendation at the end, if someone suggested a server with 32GB of memory to run a site that has "About one user every 10 minutes", I would think "damn, this doesn't scale" :)