Oh, and by the way, there were ghettos. Rockwell just didn’t paint them, and you didn’t have to see them. But they were there, and enforced by Jim Crow laws.
I believe I remember a Rockwell painting of a returning GI in the alley of his family’s row house. Ghettos originally meant urban ethnic neighborhoods (i.e., Irish, Ukranian, German, etc.). So, yes he did paint a ghetto, just not one that you and I are familiar with. The ghetto he pictured was focused on the celebration of the GI’s return from WWII by family and friends. The love of Rockwell is that his paintings were focused on human goodness and greatness as opposed to their failings. His critics called him sappy, but I’m betting everyone of those critics would love to have owned a Rockwell. Rockwell and Winslow Homer both shared a uniquely positive view of American life. Both, in my book, are considered great painters.