Comments like this are the reason why the article gave specific time parameters.
White supremacy is not the reason behind the Indian, Japanese, and Chinese state successes. White supremacy is the reason why from 1940 to 1970, East and South Asian immigrants were allowed to succeed in America on par with Whites, as opposed to Black people who were still suffering under the indignity of Jim Crow.
They would be successful in the US now, regardless of due to their own state success (like how West African and Caribbean, Pakistani, Syrian and Turkish, and many other nationalities are), because of outside influence. But for the time period listed, a necessary boost was given to the Asians in the US.