At some point, you might not be able to pedal the way you used to, if at all. An e-bike turns that paradigm upside down. You can still be on a bike with limited or no physical input compared to not being on a bike at all. I don't have a problem with this.
And for those who still have the physical mobility to pedal, it's still their choice. I don't begrudge anyone their e-bike. I don't see them going away anytime soon.