I personally find browsing the internet without javascript or cookies enabled by default to be incredibly frustrating/inconvenient, but I'm sure it's all very subjective, down to your own personal browsing habits.
From my POV I too find it frustrating at times, but I'd say much of that comes quite unnecessarily not from JS use, but its abuse, eg. fails to display text unless JS is enabled. HTML is pretty good at that!
There's no point me boring you with all the plusses of not using js (just ask) but speed... once a connection is made this http://antirez.com/latest/0 is pretty much instantaneous.
(thanks for your reply)
Some people even invent new protocols (Gemini comes to mind) to circumvent some of these frustrations.