I love capitalism, but I'm afraid it's perverted Christianity. The problem isn't that capitalism and Christianity cannot harmoniously coexist - they can (I touched on this in Walking Through Walls). In fact, I believe capitalism can be a wonderful and God-glorifying structure if approached properly.
But Christianity isn't capitalism.
In our American marketplace, we strive to create value and then be paid for said value. I make a widget and you deem said widget to be worth your money, so you buy it from me. There is value exchanged there - the value of the widget for the value of the money.