You aren't buying the intellectual property, you are buying a book with lots of pages with words of God. The book requires labour and capital to be made, so you are paying for the costs of getting the right materials (and any labour to get them) and processing them into a book.
>I'm not buying the computer, I'm actually buying all of the parts required to make it and then have the kind chinese manufacturing robots make it for me.
>I'm not buying the food, I'm actually buying the time and labour it took to create this food so...
You're buying the book.
https://www.esv.org/