Part of it is also the blurring of ideas of "attractiveness" when you cross race. The author of the article may think there are "Average-looking" westerners marrying "ugly" Chinese, but to a westerner's eye that "Average looking" westerner may be ugly, and that "ugly" Chinese may be average-looking - reversing the stereotype based on point of view and cultural bias. There are universal beauty standards of course, but culture/race blurs the smaller details.