These critics point out that in most areas of popular American culture, rarely do you see the opposite happening -- Asian males being the subjects of infatuation or sexual desire by White women.
In fact, these critics point out that Asian males have been and continue to be purposely portrayed as non-sexual martial arts experts, nerds and geeks, or evil villains and that this portrayal serves to eliminate Asian males as potential rivals to White males for the affection of Asian women.
In other words, interracial couples are more likely to be found outside of the major metropolitan areas.
Third, of course, you should not just take my word for it.
In Table 5.6 (page 49) of the study, they found that when it came to the dating preferences of White women, their first preference was to date a White man, which is not suprising nor uncommon.