I get that you have to simplify for a general audience, but this kind of a paragraph (from a New York Times story on fanfic) physically pains me

if I were the kind of guy who got tattoos about copyright law, I'd consider this passage explaining that commerciality is not dispositive in fair use from the Supreme Court in Campbell v Acuff-Rose

anyway, read the whole Times article if only because it was likely the debut of "mpreg" in the pages of the Gray Lady https://www.nytimes.com/2020/05/23/business/omegaverse-erotica-copyright.html

While some traditional athletes have derided hula-hoopers as "stupid-looking," there isn't really any way to stop them. Such hooping is legal as long as hoopers stay in public parks and don't use hoops that belong to other people.