I don't think the initial three pages are to be viewed as article summary in this case, but rather as background to the issue at hand. The post appears to be so

I don't think the initial three pages are to be viewed as article summary in this case, but rather as background to the issue at hand. The post appears to be something akin to a (very?) late draft, and of a book chapter rather than a journal article. I expect there will be an "abstract" published somewhere, but this isn't where.