That's cause back in the day when it was considered perfectly acceptable behaviour in society to burn a cross in your neighbour's yard the way movies portrayed african americans was really racist. Back then they would have caucasian actors wearing blackfaces. It started out only mildly disrespectful towards blacks, but after a couple years. . . yeah you can probably tell where this is going.
It's a societal throwaway from the 1800's and early half of the 1900's
Basically you know bioshock infinite? Yeah people really did use to be like that.
I don't understand why kids love the taste of cinnamon toast crunch *shot