I'd argue that the cultural problem (sites being VM-tech-heavy) is caused by a technology choice (never saying "this much technology is sufficient for a large part of the web").
Or to put it another way, extrapolated down this path README.txt files on the web in the future will only be accessible with a pair of VR goggles.
Right now there's next to zero incentive not to use JavaScript. And only slightly more to engineer a working fallback page.
Bifurcating the web would provide one.