You could say the same thing about the whites/blacks in the USA. But even there they've figured out how to make diversity into the "secret sauce" behind prosperity.
> The research makes clear that there is something unique about the obstacles black males face. The gap between Hispanics and whites is narrower, and their incomes will converge within a couple of generations if mobility stays the same. Asian-Americans earn more than whites raised at the same income level, or about the same when first-generation immigrants are excluded. Only Native Americans have an income gap comparable to African-Americans. But the disparities are widest for black boys.
Percent of children in single-parent families by race in the United States: