I have never understood that argument, I've heard it many times though. You would freely give out the private key of your credit card (credit card number/expir

I have never understood that argument, I've heard it many times though. You would freely give out the private key of your credit card (credit card number/expiry date/cvv) to any online merchant, but hesitate on authing your bank account user/pass which you can change anytime you want? smh.