Sure a 15 minute city means there will be some areas you won't be able to drive to anymore. So what? You'd be able to walk to them in <15 min. Nobody is going to stop people from driving out of town to go camping.
From a good faith perspective, I'm not sure why it has to be a divisive either/or.
The bigger issue in my view is the compulsory nature of the program and how it plays into a larger, more concerning agenda. It isn't unreasonable to view this as trial balloon for the well documented agenda advanced by the WEF.