Does this apply to the particular thesis of his in question? On HN, I've also heard that Seth Godin suffers from "confirmation bias" - but if we generalize abo

Does this apply to the particular thesis of his in question? On HN, I've also heard that Seth Godin suffers from "confirmation bias" - but if we generalize about the person, instead of examining each specific thesis (and their support for it), it is an ad hominem argument - however kindly, balanced and reasonable the tone.