There's a reason we don't share, download and open random .exe files. On first glance, there's no way to know what's contained. Web apps, on the other hand, don't run on your hardware so you don't have to trust the developer.
You don't usually just "begin earning millions", some businesses snowball to billion-dollar size quite quickly. Instagram had only a few dozen employees before being sold to Facebook for billions.
Sometimes it works, sometimes it doesn't. Sometimes it just breaks and you need to reset the watch. When it does work, it takes forever to find a signal. That's been my experience, anyway.
I have one, it's not great but it's not terrible. The heart rate monitor leaves much to be desired and I've never gotten the GPS to work. It's pretty cool if you need a new project to sink some time into.
That's whats great about spirituality, no one person can say what you believe other than you. Similarly, Christianity doesn't have a single voice of authority.
Just this morning, the AFD was categorized as a right-wing extremist organization by our Office for Constitutional Protection, which is step one in outlawing the party outright. What scares me is the lack of political will in the new ruling coalition to take that next step. IMO the current frontrunner, CDU, will lose the next election, leaving the door open to the AFD if they aren't stopped.
You need to opt in to the public beta. Once it's out of beta... Who knows!