Can't they see the concept itself goes against the basics of biological evolution?
Evolution is competition, cruel destruction of the weak by the strong, fast reproduction and overwhelming the enemy.
Western civilization, a purely European phenomenon, only serves to protect the weak, the unstable, to coddle individuals that, under normal circumstances, would never reproduce.
The more 'civilized' a race is, the weaker it becomes. Yet they take pride in such things as low crime rates, law abidance, democracy, etc. failing to see the more they protect their weak and useless the weaker and useless they become as a whole.
From a biological point of view, a criminal who kills many members of competing races and leaves some offspring is much more successful than the 'civilized' researcher who never reproduces and one fine day gets whacked at the parking lot.