This is a standard propaganda technique – “Get on the Bandwagon”, which uses peer pressure to encourage you to adopt someone else’s agenda:
The first is leveraging social networks to stoke competition or foster support. Researchers led by Penn State psychologist Liza Rovniak recently showed support networks to be highly effective at increasing physical activity in unmotivated adults, but Patel suspects the leaderboard format, a popular way of promoting competition by ranking users, fails to inspire anyone but those people at the top of the charts (who probably need the least encouragement anyway).
Source: Science Says Fitness Trackers Don’t Work. Wear One Anyway | WIRED
Even though fitness trackers do not work to change behavior over time, many employers now give away free fitness trackers in exchange for employer sponsored health insurance discounts.
This only applies to employer-sponsored health insurance. In the individual market, the ACA prohibits giving discounts to individuals who engage in any healthy behaviors other than not smoking. The ACA turned the health insurance market place into a variant of apartheid.