Thats a pretty ballsy statement! The market may have reached saturation and people keep them for 5+ years; this is why we have such glacial pace of innovation. If you just want step tracking and payments, the first gen Apple Watch still does the job.

I have a counter point you might be interesed in: the smartwatch is actually the future of the phone. https://medium.com/macoclock/the-future-of-the-phone-is-on-your-wrist-dcc0466876dd