Yeah, typically I end up building websites (for myself and others) in basically three "lanes". Static HTML/CSS files, great for docs, presentations, reports and similar. Or, websites with some interactive/dynamic elements, HTMX is great for this. Or, fully fledged "client-side apps" where it's more of an application than website, then I go full out dynamic programming with ClojureScript and similar approaches.
I'm not sure why so many people seemingly fall into the trap of trying to find one tool and then use that absolutely everywhere. I mean, I'm familiar with it as in "it's fun" as I used Nix as a framework for a static website builder, but I keep seeing people making those sort of choices professionally too. Like when React first became popular, then suddenly people try to jam it into absolutely everything, until they slowly walk back and then after some years agree that maybe it's good for some things, not for everything and not as a default.
Ha, that was me and Hugo, back in the day, for static sites.
And, yeah, HTMX is truly great for sites with limited interactivity. You really, really do not want or need a full React Leaning Tower of Pisa stack for a simple presentational website.