I have spent far more emotion than I ever thought possible, explaining why some data is inherently relational, and why database servers which can enforce invariants and run complex queries locally provide enormous efficiency boosts compared to strategies which ship large amounts of data to the client.
I do not have enough energy left to review this article. I liked it. :)
Fwiw the HN thread this post is summarizing/reposting is over here (jhugg is the author of this post).