I've always had JS off by default but one day, many years ago, fell for one of the "you have JavaScript disabled, please enable it for a better experience" banners (on a site that did not need it at all) that you'll see everywhere you go without JS, and tried it on for a moment. The page that was perfectly usable without JS became filled with mounds of ads (with sound!) and all kinds of other distracting moving blinking shit. Selecting text caused more bullshit to appear. Nope. Not falling for that again... Since that time, I've become even more suspicious of sites that ask you to do something and promise a "better experience", and have developed better intuition for when a site actually requires JS (honest-to-God interactive web applications, good ones exist but not many) or just wants to use it to shove more crap down your throat.