My 2-cents on this as someone who owns a Peloton. Riding a bike is great but doing it for 30-60 minutes 5 times a week is a bit hard to do. We do most of our riding while our toddler naps. I certainly can't leave him alone at home to go bike. I don't live somewhere where it's safe to bike during the day, I certainly can't do it when visibility is anything less than stellar. Where I live is mostly flat, I can't get the type of workout riding outside that I can riding inside where I can more granularity control resistance.
This doesn't replace riding outdoors, it gives you a consistent, reproducible, and flexible way to work out on terms that you can more easily control.
As some who felt the same way but now lives somewhere with snow on the ground this of year it’s nice to still be able to cycle without the freezing cold and ice patches.
It's right there in your house, you can hop on and hop off whenever you want, you don't have to finish your trip like with a regular bike where you'd have to bike back home. Lots of reasons, primarily being the convenience of it.
PNW black ice. I’ve lost count of the number of times that I ended up on the ground with torn tights and a bleeding elbow, wondering what the hell just happened. Now if it is between 30F-39F, I’ll just skip that ride.
This doesn't replace riding outdoors, it gives you a consistent, reproducible, and flexible way to work out on terms that you can more easily control.