This article seems to be more of a personal attack on someone than disputing the facts. I haven't looked into Ted's background myself, but just going from this

This article seems to be more of a personal attack on someone than disputing the facts. I haven't looked into Ted's background myself, but just going from this article, the accusation that he hasn't worked on a large system doesn't make the points he made invalid. A few takeaways that I got initially from Ted's post were that NoSQL isn't a magical cure for your backend problems, but instead is simply another solution that you may want to look into. Also, since most people won't be scaling at a point where the database becomes the technological limitation, it may be more worthwhile to examine your own code in the meantime. Oh. And I resent the term "Rails-Lovin Ass-Clown"