Come to think of it, parental control would be a neat application for something like Apple Intelligence. A local system service that is "trustworthy enough" to monitor everything on screen, and written content too.
[1] - https://www.rtalabel.org/index.php?content=howtofaq#single
A client checking for a header is more than sufficient to block small children from seeing porn and that is 100% more than we have today. No extra memory or CPU required important on tablets or phones handed to children. No privacy invasion by daemons or other third parties.
Kid: "Mommie they said go to pornhub.com for games but it ask for password"
Mom: "Dumb trolls are picking on you, I will deal with them."
Edit: also something like this needs deep OS integration.