The LLM aftertaste is terrible but the idea is very nice.
If it's worth doing, why not do it well? This is a tiny book by book standards and writing this text would be a matter of a few weeks at most. And that way it would be much more valuable (and less off-putting)
Perhaps he is busy, and this is a passion project.
As he says, he doesn't have much time to research the entire book.
You think he has "weeks" to write it up for others?
I imagine there are thousands of interesting projects people are doing solo and can't be bothered creating website to share with others for.
If AI can do this- fantastic! Let people moan if they can't see the positives of this. He's not trying to win an award or is paid to create a site for the public.