"Presumed" is the key point. e.g. Ethiopian Jews have no genetic relationship with other Israeli Jewish subgroups, people in Eastern Germany have just as much i

"Presumed" is the key point. e.g. Ethiopian Jews have no genetic relationship with other Israeli Jewish subgroups, people in Eastern Germany have just as much in common genetically with Poles as with Western Germans, etc. And when these things are brought up, many ethnic nationalists will shrug their shoulders and say "so what".