to your third point i would argue yes thats the intended nature of the text you want to alter conrad so the works no longer include africans you want to make nigger jim an oompa loompa so the literature is no longer racist better is such a relative term in this context youre implying that merely modifying or amending dahls original intention saves the text from some retrospective racism or bigotry but orange midgets are just as much slaves as a tribe of africans