These arguments are kind of dripping in slippery slope fallacy. That’s a potential outcome but by no means the only one. I’d hazard that’s a pretty worst case interpretation. I think your average person doesn’t evaluate themselves solely through the lens of economic value. Capitalismwould nudge people toward your slope, but I don’t think humans would totally cooperate with the effort.
Maybe (as in I would have to check, not that I think it likely) at highway speeds. But in any low speed area, vehicles without gas engines can be sneaky.
My company was working on an electric bus and I saw a driver sneak up on an engineer with the aforementioned city bus. They actually, legally (in some places) need noise makers at low speeds to deal with this.