All things aside, it is an interesting question. I believe it is because showing black women with white men would demoralize black men. Thats my best guess. The goal isnt only to promote miscegination, it is also to destroy the racial and social moral of white men.
Women decide who to fuck, men decide who to commit to. Convince women to fuck niggers, the white men will be unlikely to commit to them; white birth rate plumits
Leading the opposition. Hire and fire the arguments yourself in order to control them in the eyes of public opinion.
'YES, it's a shame! the NWO is doing this to you! I will help you fix it! Wait, what do you mean with 'all these guys are jews'? are you antisemitic or something? omg!'