Something [rhetorical] questions all have in common is that they are not asked, and are not understood, as ordinary information-seeking questions, but as making some kind of claim, or assertion, an assertion of the opposite polarity to that of the question.
Imibuzo ethize [i-rhetorical] yonke into efana nayo ... ayikuthi ayibuzwa, futhi ayiqondi, njengemibuzo evamile yokufuna ulwazi, kodwa njengokwenza uhlobo oluthile lokumangalelwa , noma ukufakazela, ukufakazelwa kwe-polarity ehlukile lowo wombuzo. "