Answer: The author believes the experience dehumanizes people both on and off the train.
Explanation: In Night, Elie Wiesel shares his experience in the Nazi concentration camps. Through the book, he writes how the values of humanity are lost and some of the concepts he grew up with are useless now.
In this excerpt, we can see how the situation happening inside the wagon is inhuman because the people on the train are considered to be less than humans, more like animals, because their need for food makes them fight for something as minimal as a crust of bread.
One of the values that make us human is solidarity and the ability to share feelings with other humans. In this excerpt, we can also see that the passersby and the workers enjoy watching people fight for bread crumbs. Therefore, they have lost this value, becoming less human for it.