The history of the denial of the Armenian genocide has passed through several phases... all characterized by efforts to avoid responsibility and the moral, material, and political consequences of admission.
The great crimes of the twentieth century were committed not by money-grubbing capitalists but by dedicated idealists. Lenin, Stalin, and Hitler were contemptuous of money. The passage from the nineteenth to the twentieth century has been a passage from considerations of money to considerations of power. How naive the cliche that money is the root of evil!
The more productive people are, the more governments can tax and confiscate. So the more productive people are, the more costly it is for governments to kill them. Evidence indicates that governments respond to this economic incentive.