I got a Keiser, too, mostly because the Peloton wasn’t available for like 10 months when I wanted one, but also for the money the Keiser is a much higher quality bike plus you have the flexibility of using Zwift or other apps. I currently use the Peloton app for 100% of my rides, but I hate the idea of spending $2500+ for a piece of equipment that I’ll probably never replace and being locked into their ecosystem and not having any choice (it’s not an iPhone that I’m going to replace every two years because it has better and better features- it’s a stationary bike). I suspect they recognize that the TAM for bikes is pretty well saturated and need to look elsewhere for opportunities.

I have a Fitbit because all I wanted was a fitness tracker, not a fully functional smart watch, but the ability to use it for my workouts is important. But it does a decent enough job of tracking effort just based on heart rate without knowing every detail of resistance, cadence, etc.