Earlier quoted context omitted.
A dip in the rate of orders being placed, often signifying some part of the checkout flow having slowed or broken.
So OnCall is mandatory for Amazon engineers and you will literally get paged just because some stat drops, not that it goes to 0? And there's no human in the loop for a basic sanity check? Sounds awful
If you were running a business and suddenly started losing a million dollars a minute, wouldn't you like to have someone investigate why that's happening?