Where's the critique? I understood perfectly well that it was just an introductory example and I chose to comment on the example, not critique the author. (Alth

Where's the critique? I understood perfectly well that it was just an introductory example and I chose to comment on the example, not critique the author. (Although it may still be a critique of the author if the example was meant to be plausible, but this isn't the most likely explanation.) Why does every top-level HN comment have to be a critique?