You can provide those users without scripting a better experience and include custom messaging for them using the
This will only be displayed when a script type is unsupported on the page or scripting is turned off.
Shut up and show me the code.
In summary, you can use what browsers give you to create a better experience for those users without scripting!
Even if it is to tell them what to do, to get the real experience.
Element reference can be found here.
Let me know what your sites look like without scripting on!