Which he doesn't really address, nor do the two opinions necessarily clash (at least not totally). Diederich's talk is mostly about avoiding to write superfluous classes. Quite often a simple module with one or two function suffices. His examples look quite different from those in the blog post.

(Although I have to admit that I skimmed most of them, as I'm in serious eyeroll territory whenever I see the old Java IO API used as a bad example again.)