Yes, and they're cherry-picked paragraphs. Reading the entire article, and even better the article on fair use
itself, or even better than that by researching some of the more notorious cases of recent decades actually makes clear how limited the fair use rule is - it's an affirmative defense in court, not a recognized legal "right" as that article itself notes. Fans who want to justify this stuff harp on one part of the four part test usually applied in court - the part concerning money - as if their disinterest in or inability to turn a buck off of what they do effectively protects them. It does not - fan fiction is tolerated, like many other forms of piracy now, not protected.