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>In a former life, I worked for a company that was a vendor to Walmart, so I spent some time in those stores.
>I didn't see anybody in chains.
>The smarter and more ambitious workers found better jobs.
>The lifers seemed to think they had found the best job they could for themselves.
>They were probably right. Walmart seemed to get good work out of seemingly marginal workers.

Agreed, Michael.
The fact that there are a lot of people who can't find a higher paying job than they can at Walmart is not Walmart's problem. If anything it's a symptom of larger social and economic problems here that Walmart didn't cause.
Walmart is taking advantage of the situation and doing it well.