The trend is for headless WordPress and flat-file HTML sites, which run much faster but lose the functionality of a database.
I am not sure if you consider this to be in WordPress plugin territory, and not Webinoly's, but they (the plugin devs) are not making a very good job of it at the moment.
I am just now studying whether its possible to do it with WP CLI (I believe it is), but I wondered if it could be made even easier with with Webinoly comand line structure, something like
sudo site domain.tld -clone-from=dev.domain.tld -wp-to-html -replace-content=[search-this,replace-with]
It would require multiple -replace-content variables to rewrite folders and html urls.
Just an idea.
That's totally out of the scope of this project, but here are some thoughts:
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