See my post #13. Of course that little joke was racist, but it also is incoherent. It simply makes no sense, since it is the store owner, not the customer, who has the accent. I can’t make it funny, but to make it coherent the sense would need to be that the customer needs to be able to decipher the accented speech, not imitate it himself. Joe’s baseline: stupid
I lived in Wilmington DE for 13 years and his “doctor” wife taught 12th grade English at my shitty high school.