Earlier quoted context omitted.
If 36 hours (Ultra 2) isn't enough battery life, then you and your friends aren't the target audience for a smart watch with a display.
I guess we yearn for a world long past where there weren't so many daily charging cycles because things were just either plugged in or not.
Personally, "it's finally a little thinner" is the thing that has me planning to buy an Apple Watch for the first time.