Good point, you're right. I should have been more precise. I didn't want to claim that technological advances cannot lead to mass genocide, I wanted to make the

Good point, you're right. I should have been more precise. I didn't want to claim that technological advances cannot lead to mass genocide, I wanted to make the more modest point that these events seem to be rare and that fairly slow assimilation processes based on mixing cultures, intermarriage and migration, seem to be the norm.