And, although it has been published very recently, it certainly does not have the absolute latest information. Certainly even more stores have begun stocking and selling premium sake since then. There are literally hundreds of brands currently imported into the US, as well as several being brewed domestically. Yet, despite the fact that more and more places are indeed making good sake available, sake is light years from being a standard product, or one that sells in any volume. This means that it is still not accorded much shelf space or priority in the minds and plans of distributors and wholesalers, in particular.
Point being, it is still relatively hard to find around town.
That leaves the Internet. Ah, yes, the Internet. In this day and age we would expect that we could just order it over the Internet and have it sent to us. In a perfect, free-commerce world, this would be true. But the US has a few old laws on the books left over from the days when Prohibition ended that, it could be argued, no longer serve the public.