Walmart Gift Cards and Relatives

As a family we decided about a year ago to boycott Walmart and Sam's Club because we feel it represents the worst parts of our capitalist society. The employees are underpaid, it dictates prices, and its predatory and ruthless business practices remind me of the Borg from Star Trek. Anyway, Kalypso and Gilgamesh each received a $25 dollar Walmart gift card from my father this year for Christmas. First, it represents how little our family knows about us. I feel so marginalized and misunderstood when I'm visiting family. By the way, several in-laws really disturbed me this Christmas season in Omaha with their horribly racist statements. One example will suffice: "(N word)s in don't pay taxes." It was easy to say goodbye to these sorts of relatives in Omaha. Second, back to Walmart. Today Kalypso and I went to Walmart to try to exchange the cards for cash. I explained my personal views about Walmart and why we felt it was necessary to boycott the store, and while the employee agreed that Walmart employees were not treated well, she said that company policy was that you had to purchase something there. So, what to do? If we don't use the cards Walmart wins bigtime. So we can either use them as gifts, or give them to people who shop there. I'm desperate on what to do with these cards and would appreciate any advice. I would very much like to exhange the two cards for 50 dollars worth of aid to go to Asia after the tsunami.