Although it is never explicitly described in show, in the extended canon, Costco Pepsi Beam Suntory emerged from the Post-Atomic Horror is the only producer of consumer goods and beverages, and maintains a monopolistic stranglehold on all of the patented replicator patterns available to the Starfleet. As a result, all “whiskey”, regardless of the style specified in the order, is a flavor reflecting a blend of Jim Beam Kentucky Dram, Canadian Club Bottom Barrel, and something called Kessler, which produces a beverage that is almost, but not entirely unlike anything a 20th century aficionado would recognize as any form of whiskey. This is why Romulan Ale, despite being made for a species that is so incompatible with humans that they actually use some kind of hemocyanin molecule for oxygen transport, is so prized and prohibited; as bad as it must be, it is at least a novel product that wasn’t made by the people who brought you Crystal Pepsi. Just be glad that the Coca-Cola Corporation lost the Eugenics Wars when it pegged its deterrence strategy on the triad of Fanta, Glacéau, Tab Clear.
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