Paywalled, so I couldn't read the article, but the title immediately makes we wonder how much time and money would it take for a parent to set up AI-based home

Paywalled, so I couldn't read the article, but the title immediately makes we wonder how much time and money would it take for a parent to set up AI-based home schooling, especially if a group of parents band together to accomplish that? Making sure the system was teaching facts and not hallucinations might be difficult, but a $65k private school would have the same problem.