Well, the Black folks weren't allowed to move to the white areas, regardless of class or income, so even if the story of "that desire" were purely as rosy as yo

Well, the Black folks weren't allowed to move to the white areas, regardless of class or income, so even if the story of "that desire" were purely as rosy as you paint it (spoiler: it wasn't), the resulting migration would still be accurately titled "white flight".