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.