I think you could make an argument that it's still worth it just to get car emissions out of dense urban environments. Even in San Francisco, which has pretty

I think you could make an argument that it's still worth it just to get car emissions out of dense urban environments. Even in San Francisco, which has pretty clean air (being right by the bay), it was really remarkable during the early, lock-down part of the pandemic how much nicer the air was without the car emissions. Especially noticable when biking.