I think the style is appealing: conversational, casual, stream-of-consciousness. He's using full stops to indicate longer pauses, not normal sentence structure. I'm sure it's a choice; the guy's first book has 100 Amazon reviews, most very positive: http://www.amazon.com/gp/product/1905483902

That said, it's terrible for the typical HN purpose, which is to extract maximum information in minimum time. I skimmed a bit, said, "Wha?" and moved on.