well, at least he is (you are?) consistent in this style of criticizing others' ideas with satirical sarcasm fueled prose focused on tearing down straw men.
Solopreneur making use of it in my bootstrapped B2B SaaS business. Clients don't need or want anything flashy. There are islands of interactivity, and some HTMX sprinkled there has been a great fit.
I started using htmx relatively early on, because its a more elegant version of what I've been doing anyways for a series of projects.
It's very effective, simple and expressive to work this way, as long as you keep in mind that some client side rendering is fine.
There are a few bits I don't like about it, like defaulting to swap innerHTML instead of outerHTML, not swapping HTML when the status code isn't 200-299 by default and it has some features that I avoid, like inline JSON on buttons instead of just using forms.