I'm all for assisting Consumer C by way of tools like Consumer Reports, and modern evolutions of the same notion of helping fill information gaps. But I rail against the idea that choices should be eliminated to curtail the stress of Consumer C.
No surprise: I am not an Apple consumer. In fact, I routinely write about how every technology company is not yet making the devices and technologies I want in my life (e.g., [1]). Choice is absolutely not hurting progress toward my ideal, though. Choice is, along with purchasing power and my (small) voice, among the few forces that allow me to exert a proportionate "steering" effect on the industry.
Studying the purported satisfaction gap of Consumer C versus the free market and concluding—as the very title of the article does—that it is definitely "stressing us [all] out" rings of thinly-veiled authoritarianism. And that is bad. Luckily for me, for the time being, many manufacturers and vendors have elected to (mostly) ignore these researchers. For example, most of the US food industry continues to give me a broad spectrum of choices from everything from breakfast cereal, to iced tea, to ice cream. I hope their own market research has revealed the combined voices of Consumer A & B are too loud to suppress in an ill-advised effort to satisfy C. Help guide C, but don't assume A & B do not exist.