There's absolutely no way for your claim to be true unless the information is only found on blog posts. Decently crafted Google queries easily return the primary source (which is not a blog post).
http://www.google.com/search?hl=en&q=site%3Aw3.org+href+...
During the discovery process, just replace "hypertext reference" with whatever you suspect HREF to stand for. The grandparent post is absolutely correct in criticizing these types of blog posts.