Imagine the chutzpah needed to sue over a law about protecting the privacy of children. Granted I'm sure it's a bit more nuanced if you look at the actual briefs from both sides, and there may well be some serious deficiencies with the law, but generally that would be a case where you would want to work with legislators to pass some new legislation that amends the original law to remedy some of those flaws, not sue to get the whole thing overturned. That just makes it seem like you want to be able to keep on harvesting PII from kids and selling it to anyone willing to meet your asking price. Which, I'm sure is exactly what Facebook, TikTok, and Google want to keep on doing. I'm sure Twitler's desperate enough for cash that he's willing to sell the info of any kids using the service. Amazon seems like an outlier, though I'm sure they see it as a threat to their voice assistant program.