You're discounting the "very large scale" portion of your statement.
What may seem fairly low value from the outside or consumer perspective is likely of huge value internally to ensure you can always watch Netflix without even thinking about everything that has to happen to deliver as much video as they do to their customer's browsers.
What may seem fairly low value from the outside or consumer perspective is likely of huge value internally to ensure you can always watch Netflix without even thinking about everything that has to happen to deliver as much video as they do to their customer's browsers.