The serious answer is in the next line.
> They definitely do. I explicitly stated how that happens too. [...] data being leaked
Again "Some totally different system could endanger people, but this one doesn't."
Any system that has companies handling personal data and able to leak it is not the system this kind of law talks about.
> false sense of security. Imagine if Roblox was saying
In that situation, Roblox is the problem, not the law.
> So what do these laws even solve?! I'm serious
If widely implemented, a parent can set a single toggle and then the accounts their kids make will all be appropriately restricted.
It wouldn't replace direct checks from the parent on what their kids are doing, but it would greatly reduce the risk profile. And making it simple and built-in means that non-tech-expert parents can set it.