Also not everyone can be a manager as there are not sufficient managerial positions to go round, so it's not going to work as a career improvement option for everyone, even it can work for some though hard work (such as JMac, and all credit to him). The general concept is, though, that a rising tide should float all boats and improve conditions, on average, for all, which has been the case for about the last 150 years.
Actually, no. Incomes for most Americans have barely budged since the '70s. That's 0.47% growth since the '60s for middle-income households. And as you can see, the rich have gotten a whole lot richer.
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