I didn't.
First time I used an iPhone it was clearly an enormous step forwards.....
Don't see the point in these
You weren't most people then, but most people did
Health sensors on something you constantly wear around your wrist, music controls to pause/change track in the car without going to look at your phone, a more 'clever' watch which can show details current watches can't, directions without having to have your phone out in front of you looking like a tool.
That's just quickly off the top of my head, probably loads I've not even thought of.