Many studies show that modern machine learning could revolutionize healthcare. However, many hospitals and governments are extremely protective of patient data. And many hospitals don't even know how to exploit their data through deep learning. Enter Apple and Google and others with big machine learning departments. They are finding new ways of collecting health-relevant data. For example:
Through Apple Heart Study, Stanford Medicine researchers show wearable technology can help detect atrial fibrillation
Through Apple Heart Study, Stanford Medicine researchers show wearable technology can help detect atrial fibrillation
https://med.stanford.edu/news/all-news/2019/11/through-apple...
https://www.apple.com/healthcare/docs/site/Apple_Watch_Arrhy...
An OS with a focus on health seems to make a lot of sense.