I'm guessing the key word here is reliance. Some of us are fine with sites that use JavaScript, but only if the core functionality still works when scripts are

I'm guessing the key word here is reliance. Some of us are fine with sites that use JavaScript, but only if the core functionality still works when scripts are blocked. If you're wondering why someone would feel this way, the reasons vary from person to person, but perhaps the best reason is that a site that becomes nonfunctional when client-side scripts are disabled puts itself at odds with basic web security precautions.