It sounds like the most peaceful solution in South Africa would be to break up the country in ethnic enclaves.
South Africa has a huge problem with illegals coming in from the rest of the continent.
That does look like it. Though note the “coloureds” who are mixed race and the majority in the western Cape.
The original people are Bushme / Khoi San who are racially ie at the genetic level, very different from black Bangu speakers. In fact, genetically speaking, the whites and blacks are closer to EACH OTHER than to the Khoi San