There is a fairly low amount of details about the case in the article. This NPR article [0] has a bit more, but it's still fairly sparse. Though it's interesting how Zuckerberg thought it was a good idea to say: "If people feel like they're not having a good experience, why would they keep using the product?". Given that this is a case about addiction, that feels like a shockingly bad thing to say in defense of your…
No, but unfortunately I can very easily imagine people saying it, just like the people who made loads of money from pushing those products did. Also just like the people who are profiting from the spread of gambling are saying now.
Why would someone choose to do a thing if it harms them? There are good arguments against laws that restrict personal freedoms, but this isn't one of them.