I will hereby argue. I thought this one of Asimov's weakest articles. The reason is that while he presents sweet and savory as a new way of simply categorizing wine, every line of the story was driven by inappropriate evaluations. The tip-off was his argument that German Rieslings (not the trockens) were savory because they were high in acid and minerally or that Southern Rhone from ripe years (years he has already classified elsewhere as over-ripe) were sweet. Once the judgment is no longer merely about whether one experiences sweetness (and one does drinking German Rieslings)but about ripeness vs. minerality (there are numbers of reasons not to like 07 CdPs, but one of them isn't that any producers version will give a greater impression of sweetness in 07 than in say his 04 or 06--just ask Jay about the 06 Charvin), then the categories cease to be working well.
I think if he had say divided between fruit driven and earth or mineral driven, and if he had pointedly gotten rid of arguments against kinds of wines and kinds of vintages, so that you could have over-ripe fruit driven or earth driven, for instance, as to my taste you can in either case, he might have gotten farther.
As an aside, his generalizations on 09 CdRs based on the handful he can have tasted is absurd. If he doesn't like those, he will not likely like them in most other years, which is fine with me, but which is not a function of an outré vintage.