What is economically wrong about the interpretation the boy makes in the last panel?

b]to spread the message of black power

well first we can compare on what the slave masters ate and what the slaves ate well the masters ate fancy great food like chicken rice mash potatose and stuff like that and slaves ate well food that your not suppost to eat like the weird parts of turkey and chicken and slaves master chilled beat and eat and slaves work get beat and get little of sleep there you go

adopted the practice of proskynesis, a persian court custom that involved bowing down and kissing the hand of others, depending on their rank.