Earlier quoted context omitted.
How much does data at rest really cost Amazon? And how much of that cost is simply opportunity costs? Most companies will hold onto your data for a time, then delete it afterwards. This doesn't smell like technical concerns to me. It smells like sneaky Amazon-wants-to-make-more-money concerns.
From the other perspective it sounds to me like a sneaky "I want Amazon to bear the costs of me failing to pay for the resources I've agreed to costs for and consumed, and give me a bunch of 'grace time' to change my mind later" concern. ( What's a gallon of milk on the shelf really cost Walmart? And how much of it is opportunity cost? If I usually buy 2 gallons a week - why can't I keep taking home a gallon every fe…
If only Walmart would have a process in place to notice that I was ordering a spectacular and unusual amount of milk and save us all the trouble.