Sure, and things like "you know", "umm" etc. are not concepts. They're just noise. They could be edited out of the transcript and no value would be lost. I did

Sure, and things like "you know", "umm" etc. are not concepts. They're just noise. They could be edited out of the transcript and no value would be lost. I did read the article when it came out. The interesting part here is the way the presenter might challenge some of the contents of the article.