Add to that the small fact that credit cards are what traditional morality might call 'Usury'. As a rule, in the modern age when you give someone a credit card, you're encouraging them to put themselves under a load of debt at the highest interest rates legally available for purely consumer purchase.
Agreed and seconded.
We have aroused the sleeping Giant! ( )
Yay, I'm excited to have posted in the same thread as you :P.