"so what if it’s racist?" - I'm not sure what sort of answer are you looking for here?
A list of examples from history of things going pear-shaped when large numbers of people embraced a form of ethno-nationalism where lineage and genetics is the primary factor in determining a persons worth as a human?
A list of examples from history of things going pear-shaped when large numbers of people embraced a form of ethno-nationalism where lineage and genetics is the primary factor in determining a persons worth as a human?