> Please be aware that the demos may exhibit significant accessibility issues, such as problems with keyboard navigation, speech synthesis, and progressive enhancement or degradation.
right off the bat, this callout makes it difficult for me to consider these approaches for any serious project.
I was under the impression this entire thing is tongue-in-cheek. Why would anyone write 800 lines of CSS to avoid a couple lines of JS?
Because of page bloat, some people think JavaScript is bad, and go to this extreme. People need to understand that just because JavaScript is often overused, doesn't mean it should never be used.