But his assertion that diversity weakens unions ignores two things. First, labor unions have a long history of multiethnic coalitions. Second, it was the capitalists and political elites who tried to *exploit* ethnic divisions to maintain power. There is only one person here trying to stop unions:

You in fact can't talk about the history of the labor movement without talking about multi-ethnic coalitions. The International Ladies’ Garment Workers’ Union was initially composed of Jewish and Italian immigrants, but later grew to Black, Puerto Rican, Chinese, and Filipino workers.