You're choosing to argue it's all just a part of his 3D chess strategy but it's the same lame argument you use to defend a lot of his bad behavior, i.e., that the end justifies the means, and that he somehow knows what the end will be before he gets there.

But the morality of the situation is clear - if a white supremacist leader endorses you and you don't disavow them immediately then you're tacitly condoning their ethos. If that doesn't make you a racist it certainly makes you just as bad as one.

But if you want a more concrete example, then there's Trump referring to the hispanic beauty contest winner as 'Ms. Housekeeping'.