Exactly, IMO a good rule of thumb would be: If a project is appropriate to be built as a multi-page application (MPA), then HTMX can be added to it to give it

Exactly, IMO a good rule of thumb would be: If a project is appropriate to be built as a multi-page application (MPA), then HTMX can be added to it to give it some SPA like qualities (without having to resort to JS coding). Moreover, you can implement HTMX along with support for graceful degradation, ensuring that the app continues to function even when JavaScript is disabled.