Could be useful on the other hand if you could flip the face upside down.

Surely people who wear watches on their right wrist prefer the wheel to be on the left side and the LED is on the same side.

Dunno about this one, but my Amazfits all have the option for wearing direction, so you can decide which way the controls face on asymmetrical models. It works and I've thought about using it even though I'm not a southpaw; worn distally, the Balance's digital crown tends to snag on things.