If the black representatives were not ignoring their whitey constituents this would not be an issue.
They don't ignore them. Not at all. They pay very careful attention -- and then do the opposite, out of malice and spite.
Their keyword is "payback". It's a religious mantra, intended to heal divisions by holding one group's head under the mud with a boot on the back of the neck, until the bubbling indicates that the party of the second part has, in fact, expired. Call it "Haitian reconciliation."
A version, if you will, of Orwell's famous last line: "a boot stamping on a human face forever."