"if social media companies are forced to disclose what they do in this regard [i.e., how they moderate online content], it may pressure them to become better corporate citizens by doing more to eliminate hate speech and disinformation."
“[T]he Legislature also considered that, by requiring greater transparency about platforms’ content-moderation rules and decisions, AB 587 may result in public pressure on social media companies to ‘become better corporate citizens by doing more to eliminate hate speech and disinformation’ on their platforms. . . . This, too, is a substantial state interest."
https://news.ycombinator.com/item?id=37442998