Combined with some blacklisted apps (e.g., all other browsers), this would be a passable opt-in solution. I'm sure there's either a subscription or a small incentive for someone to build this that hopefully isn't "Scam children".
It's not like kids are using PCs, and if they use someone else's phone, that's at least a severely limiting factor.
I have not seen or heard of a single person who is excited about AI generated blog posts, or TikToks, or commercials, or images. In fact it’s the opposite, the internet coined the term AI slop, and my non-internet addicted friends hate the fact that chatGPT is killing the environment.
The only people I’ve ever seen champion AI are the few who are excited by the bleeding edge, and the many many peddlers