South Africa has the single worst inequality in the world [0], and up until very recently there was apartheid ruled by the descendents of dutch colonizers. This still fits the pattern of imperialists coming in, and enriching themselves at the expense of local populations. It's just that in this case the occupying population hung around permanently. But they're still hoarding the wealth.
The cape was literally a restocking hub for the global trade hegemon (Dutch) and later served similar purposes for the following hegemon (British). Of course it had higher rates of capital accumulation. This was seen even into the 60s
[0] https://www.cnn.com/2019/05/07/africa/south-africa-elections...