Um, what do you base this on? Those last two sentences, I mean.
"That kiss was for the whole black community. "
But since she's mixed, well...have you ever seen how the "black community" tends to treat those that are mixed? Spoiler Alert: Like trash.
So, I'm guessing she endured mistreatment from them when she had contact from them. But now that she's come up in the world, all of a sudden she's black.
(One of my best friends is a half-black, half-italian man who went through that sort of *expletive deleted*it growing up. He wasn't "black enough" for them. So, yeah... )