If people are falsely accusing the SDA of racism, I would be the first to rush to its defense, given SDA efforts at missionary activities around the world, and frankly based on my knowledge of Adventists and their expansion around the world, including proselytzing Orthodox Christians of various ethnicities, which I think they ought not to have done, the idea that the Adventists would prohibit interracial marriage or have any kind of systemic racism seems absurd, so I am fully prepared to defend Adventists from a scurrilous attack on this point, as I hope Adventists would be pre[pared to defend my own church. And the accusation of racism, aside from the case of Uriah Smith, who clearly was a racist, albeit whose views were unfortunately typical of that era (and frankly, King Edward VIII expressed an even more horrid racism towards the Aboriginal Australians, and they paled in comparison of the likes of Hitler, Franco, Mussolini and Salazar, among other racist-fascists, or someone like Louis Farrakhan in the present day).
There are legitimate criticisms of the SDA and of Ellen White but I am not persuaded that this is one of them.