The post has nothing to do with writing software. It would have as much value if it were written by someone who'd never written a line of code in their life. It's about the social dimension of LLMs and how the personality they present is, for some of us, pretty grating.

Martin is a good writer and (from what I've heard from those who've spent time with him) a lovely person which I think makes him well qualified to speak on the topic.