The presence of the scripts is surely a sign of intent, nothing here is by accident?
So I’m wondering if it is a local browser configuration issue, or some other configuration issue.
More on livereload.js: livereload/livereload-js: LiveReload JavaScript code that communicates with the server and implements reloading (github.com)
It would certainly be nice to get an official word on the extent to which livereloading should work here and if it goes beyond CSS on the client side.