The eventual gift of globalization is that the lower 90% will at some point be at the same level. While that would be a good thing in Africa or China where the average worker earns less than a thousand dollars a year it isn't such a good thing here at home.
Catapiller now has a two tiered wage structure where older vested workers earn almost twice what new workers earn for the same job. The cost of living didn't just drop by half for those younger worker but their earning power did. The rich really do keep getting richer, it isn't just a phrase.