I guess different riders have different views.
To me i hear bullshiit.
A- Great news,,, lighter
B- Great news,,, heavier
C- i am smart enough to understand... same weight,,, just more $$$
If 500Wh is not enough, try Yamaha, it delivers range.
You know they have the more experience with Emotors.
Mine is a Haibike, Giant also uses them.