> I deeply believe that yes, it is. Making Javascript mandatory on websites where it should only enhance the user experience still seems to me like a very bad practice, and I hope it will stay so. > I even want to say that, if your website if correctly designed, offering its content in a Javascript-less way should not be that hard...

This is problematic when JS is the user experience. Many modern applications are just brower/javascript clients on top of rest APIs.