People who worked in factories lived together in small houses that were full to the brim and the idea was to go work while another sleeps, and then you sleep when others work.
This explains prejudice because it is having a misguided attitude towards something because of a bad example. In this case Anne is saying Jews get the bad end of the stick compared to christians, because when one Jew does something that isn't so good all Jews are placed in that same unfair box.
Other examples of prejudice is saying all black people are ghetto or rude, all white people dont like black and are racists, all rich people are materialistic. .
Marketing encouraged use of credit
Crime during the gold Rush was extremely high from theft to murder but without enough lawmen and a terrible court system it kept raging on.