I think there's a 4th factor which is under looked by your comment and it's that the way in which ride sharing is taking away revenue from the MTA. While this i

I think there's a 4th factor which is under looked by your comment and it's that the way in which ride sharing is taking away revenue from the MTA. While this is likely caused by the system constantly being under construction and having delays, removing idling cars from the road would very likely also help with reducing bus traffic (although it's pathetic that NYC hasn't implemented BRT on all major corridors such as they are going to do on 14th street.