There are probably legal issues preventing them do from doing so. I'm not super familiar with this area of law, but the snippets they shared probably fall into some analogue of fair use, while the full documents would be a clear breach of trade secret laws.

this is what I was really hoping for as well. I'd like to read through those documents myself to see exactly what rules they have come up with. This way the NY Times stays the gate keeper and they will like drip a few more articles out regarding this very topic.