Indeed, Mookie has tried to make an effort to promote harmony. When Sal have an argument with Buggin about the picture and Sal wants to drive Buggin away, Mookie obeys his boss order, letting Buggin leave Sal’s pizzeria as a friend. Mokkie tells Buggin to come back in a week and tries to make Sal reconciled with Buggin. But he fails because Sal never compromises with Buggin on the issue of the pictures on the wall. Mookie also wants to advance the relationship between two brothers, Pino and Vito. Unfortunately, it doesn’t work because the way in which Mookie does does not fit. He shouldn’t have told Vito to smack Pino and added fuel to that fire. As you say, Mookie also promotes divisiveness. Mookie’s throwing trash can is the direct cause
