Its the biblical concept, the waring, of being worldly...
Being in the world but not to be of the world
Darwinian evolution is adapting to new environment finding a niche in your brave new world.. being what the world let's you be...
It may be a good model for the physical animal but it's not a good model for being a principled thinking man seeking to find truth for living...
That why I cringe when some one brags their thinking has evolved...it's the antithesis of acquiring wisdom