A tactic as old as collectivism, and tyranny, itself.
But they get away with it only because a generation and a half of college students have been brainwashed into the lunacy of an undifferentiated humanity--of the interchangeability of human types. People with a sense of kith and kin, of shared history, etc., would never tolerate this madness.
The idea of loyalty to a species, rather than to those within that species with whom one shares a closer history and genes, is a novel bit of Socialist promotion. It claims support in Western Theology, but it actually has none. Both the Old and New Testaments are very conscious of blood lines and ethnicity (racial variation and shared history). The Secular Humanists seek to replace God with Humanity, of course, but that is another story.
William Flax Return Of The Gods Web Site
Same result, really!