Because images like this are still relevant no matter how the cars are powered.
Running an electric car is obviously greener than running an ICE car, but producing one is most definitely not environmentally friendly. If we can reduce the number of vehicles on the road, including electric cars, that would go a long way to reducing carbon emissions.
There’s also the case to be made around the environmental impact of (sub)urban sprawl, which generally comes about as a direct result of car dependency.