Why? The user is free to turn all of that off and use other functions as he or she sees fit. I use it because I need to get more fit but I don't use Obamacare at all, neither does my girlfriend and she's lost 16 pounds in the last six months using the assistance of her Apple Watch which helped her track the calories used in her exercise regimen. . . and the reminders to take a break ever hour from her sedentary work at a desk which otherwise she found herself working through without taking a break at all. It is YOUR choice whether you buy or use this help in meeting YOUR goals to get a discount from your costs. How much more capitalist can you get?
It’s a just a short distance to requiring people to wear them and not turn them off to maintain coverage. With the cost of policies, a discount can be the difference between being able to afford coverage at all or going without and facing the penalty.
Camel in the tent. Once they get you wearing the watch, they will require you to ensure you are wearing it a set percentage of the time. Then that set time will keep increasing until you are defacto wearing it all the time. May be they will make you own two, so one will always be charged and ready to go.