They’ve known it long before that. Carl Jung explained exactly what would happens by severing off people’s spiritual side and enslaving them to the state. The racial tactics are just one of the ways to make this happen.
Read the Protocols of the Learned Elders of Zion. Ignore all the Jew stuff because that’s not the point - the point is the plan that is very clearly outlined in this writings was written around the time we started to really grasp psychology and sociology.