doesn't really need to do any of that to have negative effects. Not only are there obvious privacy issues, the 24/7 health monitoring craze of people who are healthy and don't require such interventions is just a waste of money and potentially worry. Yet another avenue to sell people 'health services' that in reality have no measurable impact.

My wife's a physician. She now routinely has to deal with healthy young people who come into her clinic with anxiety because of spurious smart watch alerts concerning their sleep or heart rhythm, despite the fact that they undergo regular checkups to begin with and such monitoring isn't indicated.