[MikeTaylor]

The classic answer is that commenters on a blog become a community, and that much of the value of a blog-post is in the discussion. No doubt that if often not true; but on both of my own main blogs it absolutely is. I'll point you at one of them: Sauropod Vertebra Picture of the Week is a palaeontology blog with a knowledgeable and thoughtful readership that often thinks of things that I and my co-author did not. See for example https://svpow.com/2021/02/01/what-a-cervical-vertebra-of-an-...