Since living matter with warm color tends to be more energy and nutrition rich than cool colored life. Examples could include ripe fruit, where red is often an indication of ripeness, and game, where blood is obviously red hued.
There is however no indication in the article of an innate inability of the human brain to distinguish between cool hues as well as between cool hues. That would probably take some lab testing.
In my own life, I remember as a child first being attracted to the color red. My brother, who is three and a half years older, was more attracted to blues and greens. It went so far as him declaring that my color was red, and his was blue/green, and that I was not allowed to select items (clothing, toothbrushes, etc) of those cool hues. When I got older I started to prefer the blues and greens, over his strenuous objections (yeah, he was sort of an ass about it). His insistence on what he wanted my color preference to be persisted into adult life, if you can believe that. In any case, I only mention this because color preferences can be dependent upon developmental factors, which in turn may be an evolutionary adaptation. Oh, and to illustrate how silly siblings can be 
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