He is of course entitled to his opinion on the topic, but I’m personally not going to put too much weight on it considering he hasn’t written software for a living in probably decades.
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.
I understand that many people seem to experience it totally differently.
It's a static site, slap in a Cloudflare for crying out loud.
I was about to say that, don't forget your cache-control headers kids.
Many of his ideas are trendy nonsense that have caused more harm than good. Ask anyone managing 150 enmeshed and intertwined microservices that could have run on a single computer