Taking advantage of global corporate welfare doesn't make one more efficient.
Neither does protectionism.
WalMart benefits the consumer.
The fact that the last economic downturn was as shallow and short as it was has everything to do with WalMart's ability to sell things cheaper because they have automated every aspect of the purchasing and stocking process of their stores.
But screw consumers. Who cares about them?
Let's force them to buy your stuff instead.