Well, if it's not "random finger wagging" then that makes up for the fact that he spends several paragraphs berating the reader for not being as smart as he is

Well, if it's not "random finger wagging" then that makes up for the fact that he spends several paragraphs berating the reader for not being as smart as he is and seeing what he sees and spends exactly 1 sentence explaining what it is that he sees.