NYT's entire value proposition is that you can trust them. Amazon's is (mostly) that they'll get you what you asked for, fast and cheap. A bad Amazon review see

NYT's entire value proposition is that you can trust them. Amazon's is (mostly) that they'll get you what you asked for, fast and cheap. A bad Amazon review seems to redound, for whatever reason, mostly to the discredit of the particular seller, not Amazon. NYT therefore has more incentive to give you accurate reviews.