If the governor had said “Incidentally, half the time they impregnate a young girl before they leave, which is a real sad thing because then we have another issue we have to deal with down the road,” and not added the word “white,” would the statement have been more or less usefully “true”?
That is exactly what he should have said. However, by bringing the hypothetical girl's race into it, he made the story about race. He covertly stated that there is something wrong with being biracial.