California’s AB 587 required major social media platforms to report semiannually on their content-moderation practices — but the Ninth Circuit struck it down as a First Amendment violation. In X Corp. v. Bonta, the court found that forcing platforms to disclose how they define and moderate controversial categories of content like hate speech and misinformation compelled disclosure of opinion, not mere commercial fact. As this article explains, when it comes to speech regulation, the devil is always in the details.
