[wslh]

The interesting, indeed concerning thing, is that problem is not only applied to medical machines and mobile phones but to zillions of daily used wearable devices such as smart watches, brain eeg (e.g. Muse), and others without adverting users that what they see (e.g. HRV) couldn't be interpreted easily by a computer program.

Not saying that we humans are always better but saying that we are believing in number and conclusions from apps created as-is.