Good!
I'm all for unionization in third world countries and places like China where the workers are basically slave labor.
Either WalMart will leave China or it will start helping the Chinese working class, possibly moving them into middle class (thus making a transition in China toward democracy more likely).

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"Man lives in the sunlit world of that which he believes to be reality. But unseen by most is an underworld, a place that is just as real... but not as brightly lit... A DARK SIDE!"
-opening from Tales From the Darkside