This as much confirmation as you could possibly get Elon is promoting Russian propaganda. You think Elon knew the year Russia annexed Crimea or knew Russians call it “Khrushchev’s mistake”? Only a Russian would say that.
Not really the same language. Everyone is forced to learn Italian in school but they also speak local languages. The political history was always very different in the north vs south. City states run by merchants vs agrarian feudal states.
Bantu speaking people (to which the Zulu were just one tribe) were already present in South Africa when the Portuguese arrived at the end of the 15th century.