I never said white people only discriminate against Black people. I think we're saying the same thing. White people are racist against white-passing people too, but it's still global white supremacy that's the problem. In America, you wouldn't face the same discrimination because you would have white privilege as a white passing person. In America 100 years ago, white immigrants like Italians, Poles, Irish were also discriminated against and not considered (pure) white like WASPS. White Anglo Saxon Protestants. Even then, they weren't treated as badly as Black people. It's not a competition but I recommend the book Caste by Isabel Wilkerson. Anti-Blackness is a global type of racism aimed specifically at Black people, but yes, white people are racist against other people. People who are not white are racist against each other, but who has the power is based on how close you are to white. There are conflicts amongst people of the same like English and Irish, Japanese and Chinese, Tutsi and Hutu, but the components are different.