Oh but it does require liftestlye changes. You'll have to spend more money on "green" cars. Instead of you know, not spending any money since WFH means you dont need a car.
In London, taking public transport means massively dense crowds. The city is still choked with traffic. Seriosuly, we have to move away from the mindset of uber dense cities to a more sparse living style. Everything in between filled with trees and vegetation.
We built all this tech so that customers can shop remotely, I dont see why workers couln't work from their homes too.
Only the most common use-cases are catered for in a reasonable way. As soon as you take a journey that's an edge-case in any way, get ready for major discomfort. Furniture shopping, major grocery shops, moving house, going from one out-of-the-way place to another, travelling at an odd time.