I hate this sentiment so much, because it implies that everyone can just wait for change: “Just go buy another gas powered car until that rail road line is built”.
If you can afford an electric car (instead of your current gas powered car) today please buy one or you are part of the problem. If you don‘t need it anymore, because of that rail road line, sell it. Electric cars are much better for the climate & the surroundings. They can also be important for electric grid stability.
Additionally since Copenhagen was mentioned: In the last ten years car ownership in Copenhagen actually increased (https://kk.statistikbank.dk/statbank5a/SelectVarVal/saveselections.asp). Just because people take the bike every day doesn‘t mean that they don‘t own a car.
PS: I live in the city center and don‘t own a car. Never have.
I know that some people will miss it and act accordingly. The car industry in Europe build up more electric car production capacity than people were willing to buy. The industry transformed faster than society. They are now correcting their plans which is so sad to see. I know that for some an electric car is just unaffordable, but for many others it is just too inconvenient, unreasonably priced or they wait for hydrogen cars (I had these discussions a lot). Climate change is what is inconvenient. There is no time too waste.