Whoa. You were "horrified"?
Maybe you should spend less time thinking about yourself and more time thinking about showing courtesy to others. Or maybe you should spend a lot more time thinking about yourself and realize you look ridiculous walking around like that in public. The differences between self-confidence and dignity can be subtle, but they exist.
However the story ends on a happy note: She says she'll "never shop at Walmart again." That's one terrible Walmart customer down, millions to go.
By the way, Molly Blancett, you can wear that black bikini top in my Walmart any day. Rawr.