I agree with you that the whole set up for africa doesn't make any sense. If you wanted to go one step further I would say Germans controlling half of africa makes no sense considering they have bad relationships with italy which controls the land path to africa. Germanys naval power both in game and irl is abysmal so they wouldnt have been able to stage naval invasions and have proper logistics in an area as large as africa filled with a hostile population. I always just headcanoned that a kaiserreich canada situation happened with the boers where a bunch of british/ other western Europeans all moved to south africa which shifted the balance of power away from the boers which made them angry in the first place.Nah that still makes no sense. Most (99%+) of HoI modders have no critical thinking skills.
The boer were always more politically organized than the english and the defeat of britain in ww2 would mean a collapse of english power. Germany would easily swoop in, supply the boer with guns and such and south africa would become a satellite of germany.
A South Africa in a Nazis-won-WW2-scenario would be dominated by racialist Boer in a volkstaat: it'd be generalplan ost but in South Africa.