I install noscript on every firefox install that I can. Most people like that it makes a lot of sites run significantly faster.
I don't use a smartphone - they are a pathological platform entrenched firmly on the wrong side of the War On General Purpose Computing.
For the record: I do run some javascript - on a carefully selected whitelist basis. A big part of my point is that a website that works is something that I might whitelist to access better features. The problem is showing a broken page instead of showing a basic page and progressively enhancing in the fancier features.
I hope you don't drive a car either: it has many computers which are even on the wronger side of the War On General Purpose Computing.
How do people even come up with idea, that anything with CPU inside should be able to do General Purpose Computing :(
BTW, how do you feel about apps running on your smartphone? Is that much different? Have you seen forecast.io? Well, probably not since you don't run JS, but check it out. Some people develop fantastic mobile apps in JS instead of Objective-C/Java and in that MO there is no option to render things server-side.