You have to remember that paper books do in fact have real limits on the number of pages they can contain at a given production price, and the issue of book length is a big deal in their marketing. Charlie Stross has posted a lot of articles on this, and about why books get broken up, especially if they're part of a series. This is why I can imagine that it would be possible for sections to get cut for purely technical or marketing reasons, which is clearly something that would be worth redressing later if the book is a hit.
But to be honest, American Gods was already a bit too wordy in its original published version.
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