They will do at worse, 1 day suspension in addition to the minimum 12 hrs.

Like I said, VISA/Mastercard must take note of this so that they can prevent Amazon from creating an alternative payment processing platform.
Contrary to what RGE thinks, Amazon will have to do more than cutting off Twitch at this point. At the very least, they must answer correctly when they get asked: "Why did it took long to get to this point?" or else, it would be hard for Amazon to deny terrorism allegations.