It may be the translation, however, this project is a passion for him. I would guess the passion is the book itself, and though he wants to share his passion, I imagine creating the actual page for others is tedious compared to the work of discovering the book. I have had the same issue.

If an AI can save you time so you can continue with your passion, I say go for it. No one has paid you to create the page, he's not vying for an award. If people are interested they can read it.