Their message is basically good, but wine does not lend itself to easy encapsulation. You would never expect an article of this length to tell you how to build an entire music library nor how to successfully invest in collecting art without spending much money. We want this for wine and where there is a demand, someone will fill it.
Providing a different perspective helped build my wine career and I continue the effort here. I applaud the attempt from Food52 and acknowledge that most of their posts are thorough and well presented but this one demands a response.
The suggestion of single vineyard California chardonnay as a substitute for Grand Cru pinot noir from Burgundy is a bit ridiculous. Ignoring the color change, single vineyard wines from California hardly carry the same pedigree as those from Burgundy. Hundreds of years of grapegrowing experiments and results shaped the boundaries of the French vineyards.
"A single-vineyard wine is a wine that knows exactly who it is—it's confident and pulled-together, partly because of its unified origin." There may be a distinct style that emerges from single vineyards in California but let's add some perspective here. Romanee-Conti is a tiny vineyard. It covers less than 5 acres. The single vineyard chardonnay recommended by Food52 covers 39 acres, or about eight Romanee-Contis. There is a single vineyard in Santa Barbara (Bien Nacido) that could hold almost 120 of the small Burgundian vineyard.
The next suggestion is to look for second labels. This can work out very well and is explained well as long as you limit your search to specifically labeled grape varieties. If a winery does not use some juice in their $40 cabernet, for example, but sells the rest for $15, that may be a good deal. But if the wine is a blend it may bear no resemblance to the top wine at all. If the expensive wine is a blend of 70% cabernet and 30% merlot, the second label might be exactly the reverse and not please your palate. This can be especially true in Bordeaux. The advice is solid, if a bit insufficient.
In my experience, top-notch wineries in California that are selling their unused juice at a significant discount do not advertise that fact. Much more prevalent these days are wineries creating a second label with fruit or juice purchased from growers and other wineries. These offer no promises of bargains and often display nothing in common with the winery's primary wines.
The next section, about experimenting with unfamiliar varieties, misses an opportunity. I am shocked they did not mention these two very cost effective options. The best way to try a selection of new wines is to attend tastings, or get a tasting group together. Bottle shops everywhere host regular, free, events and you can try wines here with no obligation. Alternatively, gather ten friends with ten bottles and you just got to try a wide variety of wines for the price of one bottle (your contribution). The added bonus is a party, you need not write notes or feel required to spout wine-speak. Set a price, style, or even have one person buy all the wines and the other attendees will reimburse the host or rotate the hosting/buying duties.
Drinking local works as a green choice but rarely offers much in the way of bargains based on my extensive travels. You may sacrifice much more pleasure than any savings you gain. Please note that I am a big proponent of wines from all around the country, not just the West Coast, but I rarely feel like these wines offer great bargains along the lines of Spain or Argentina, for example.
The final section almost seems like the author feel asleep or ran out of time.
"Ice wines serve as a great example here—indulge in a renowned Sauternes from Bordeaux for $200 a bottle, or choose a wonderful bottle of Eden Ice Cider, from upstate New York, for $25." I'm intrigued. However, these beverages are not comparable, sort of like apples and oranges only we're talking apples and grapes. I will mention, but not focus on, the fact that the Eden Ice Cider company is based in Vermont, not New York (perhaps their apples are from NY?). Another disclaimer, Sauternes are expensive but they do not start at $200 a bottle, just like all Burgundy does not cost five figures, as Romanee-Conti can. Finally, Sauternes are NOT ice wines. They are dessert wines, like ice wines, but Sauternes are produced from grapes with botrytis, not frozen on the vine. [Bonny Doon used to make a great "ice-box" wine by freezing some late harvest grapes. The wine offered a fantastic bargain but appears to no longer be produced].
Supposed authorities who publish incorrect information do plenty of damage. Consumers may remember what they "learned," use it and be corrected by another "authority." Even if the second has the right answer people will be left wondering what to believe.