Amsterdammer here. Totally doable, helps if the hills aren’t too steep. Powered vehicles do come and go where I am (street cleaning etc) and it’s possible for planned things like house moves or demolitions. I imagine Paris will do similar stuff.
https://www.iamsterdam.com/en/travel-stay/accessibility/publ...
https://www.iamsterdam.com/en/travel-stay/accessibility/disa...
https://europa.eu/youreurope/citizens/travel/transport-disab...
https://old.reddit.com/r/Amsterdam/comments/111bmca/disabled...
So obviously that your comment is obviously trolling.