Interracial porn has always been popular and consumed, in fact there is a joke there is equality in porn—for races have been fucking one another without regards to their color in porn content.
This is because it is always framed that Asian women are innocent and naive and have tight pussies, while black men have big black dicks making it erotic and hot to fuck someone who is petite.
It plays well to the delusions and thus helps more when you are trying to jerk off to imaginations.