From the promo photo: Nipper is a character “whose historical knowledge does not interfere with his proud display of Confederate cap and flag.”
The song wants to make me go back and time and strangle someone, and I don't even care if it's me.
I gather Ralph was the bully, and at the end of this promo we see him ostacized and taunted with the unifying power of song. Frankly, I think he has the right attitude.