Akasha being a vessel of evil while being portrayed by a black woman is not proof of the show being antiblack and if you think so maybe you should reevaluate why you think characters of colour are not allowed to be evil in the Evil Vampires Show
At some point you do need to ask yourself if it makes more sense that Louis was lying about Lestat’s femininity or that perhaps he dressed more masculine because it was one hundred years ago. Which sounds more plausible to you. Quickly