It does not matter how they do it, it should not be possible for ANY company or person to access funds on your account,
without your consent.

The weirdest thing is that Amazon is directly associated with shady practices like
this. The actual point that I want to make is that Bitcoin is much better, because companies like this cannot get away with
FREE trial scams/Free shit like this, because they cannot automatically withdraw money from your Bitcoin address.

Wait what? How did they have access to your credit card in the first place? They required your credit card information for you to claim your free eBooks right?