Hi CharlesU,
Welcome to the Mattress Forum! 
I’ve deleted your post, as rather than drive people away from the specific site you mention, it actually promotes the site by mentioning it here on the forum. You do make a good point that review sites or other people’s experiences in general won’t tell you much if anything about the suitability, quality, durability, or “value” of a mattress for any particular person (see post #13 here). There are many of these affiliate linking sites out there that really provide no meaningful information, which is why it is so important for consumers to be prepared and learn about how to shop for a mattress.
Phoenix