We are worried about children being compromised. This is as much about data getting into their heads as it is about basic exfiltration.
And being educated != being in jail.
But honestly, maybe re-read the HN guidelines: https://news.ycombinator.com/newsguidelines.html
> Please respond to the strongest plausible interpretation of what someone says, not a weaker one that's easier to criticize. Assume good faith.
These are parental controls. They aren't working in this one specific way. That's. The. Scope.