Unions lost their clout in the global economy. UAW is a great example. In the heydays of the 80s a high school graduate could make $65,000 a year with overtime in a job a robot (or a trained monkey) could do. One of my inlaws was doing exactly that at Chrysler. Now they make $16 an hour in Kokomo and feel lucky they don't have to move to Tennessee or Mexico to get it. Looking at the loss of the whole plant, UAW renegotiated their contract. Delco, the other big plant in town, is pretty much gone. That moved to Mexico.