Hmmm... not sure about that article. (As an aside, on the whole, the website from which that article originated has a big question mark over it in my mind.)
How the author of this article, Arvind Suresh, has previously been unwilling to critically assess the people he's referenced (such as Steve Sailor and Razib Khan) makes me wonder if he has truly vetted his sources or is just looking to fill up column space.
The above is of course not dealing with the substance of the blog post, I realize that, but I think it is necessary to realize that website definitely has agendas.
The article in question is an indirect critique of the Atlantic piece it references, by referring to others (such as Khan.) The Atlantic article itself may not be a high water mark in objectivity and journalism, but Suresh is not doing it justice by the way he's couched the discussion.