A picture of the sticker on the side of the PSU is provided in the review. As you can see there, it specifically states 18A on each of the six 12V rails. You can't really fault W1zzard for this. As a reviewer or even a consumer, you can imagine that the specs listed on the packaging or even the product itself to be representative of the product. If anything, it's Zalman's fault for not listing the proper specs on the PSU.
In any case, it's kind of odd how you signed up just to bash such a tiny error on one review.