I think, Lev, wer’e begging the question here. wHat is ‘best’ is defined as the best quality in nature, what is selected, right?
And , what is selected is, the best survival value, right? I can not get out of the convertibility of the terms, yet, not the concepts.
If beautiful woman chooses an inferior man , on basis of other than survival value, and the have offspring, does this mean, that. Within the woman’s genetic heritage there is more beneficial survival adaptable value? The male may , indeed be the product of less then optimal genetic value, in this regard, and may be on the verge of a disappearing genetic strain. Perhaps , had he not met this particularly stunning and succeful line in this woman,
The whole family line may have died out as a result. Happens all the time. But this woman chose him above all alpha males, other then on basis of survival value. She may not cared about it consciously, nor had let. Herself be driven by her own inherent natural impulses, fueled by sexual selection.
Here is a not too uncommon example, where the adaptability index may be offset by other than survival value based on genetic traits. I can question , whether survivability, as a conscious force in natural selection can be entertained as general rule.
Here, at least, a suspension of it is called for. Perhaps, this may also occur in lower species. If the above criteria would hold through , coming up from the annals of time, by now, nature would always present the most excellent of species, and inferior types would never present themselves, they would most certainly would have been weeded out by now.