The National SOCIALISTS determined that Jews, the sick, the elderly, the disabled, etc., weren't as "valuable" as the rest of society and exercised their "natural selection" to exterminate them.
Ah, one of the retreats for those without logical arguments against evolution: blame it for the worst acts of slaughter in human history, as though a description of what happens in biological systems is an implicit directive for bad behaviour.
Ah, you see this is where there is a serious philosophical difference, many religions believe that man is CREATED EQUAL (though he may occupy various stations in life, God is no "repecter of persons"), but natural selection gives the deranged like Hitler the internal excuse they need to engage in some of the worst atrocities known to the 20th Century.
One's world view influences their thinking and the acts they take. A world view of superiority led Hitler to slaughter millions.
So you suggest that this idea of "natural selection" is somehow only applicable to "biological systems," would one of those systems include humans? And if so, then how do you reconcile the apparent conflicts in social structures, awareness, sentience, etc...