Though denying he intended to “slam” the American Deep South, Salinger's narrator registers a “stinging” condemnation of  white-supremacism in “Blue Melody” conveyed in this cynical remark alluding to the story's theme:
Although Salinger's narrator did not explicitly state his intention to criticize the American Deep South, his words convey a strong negative attitude towards white-supremacism in "Blue Melody", as evidenced by this biting remark that alludes to the story's theme:

The narrator's tone is one of strong disapproval and condemnation.