You've overlooked that "white noise" here is a colloquial term referring not only to what you've described, but also to recorded sounds of water, wind, loud caf

You've overlooked that "white noise" here is a colloquial term referring not only to what you've described, but also to recorded sounds of water, wind, loud cafes, ambient drones, and more. Is it technically accurate? No, but most people's feathers aren't ruffled by it.