Earlier quoted context omitted.
As a Manhattan resident, I'm paying a LOT of my tax money for the streets. And I barely get to use them, because like the majority of my fellow Manhattanites, I don't own a car. If the public space were reconfigured to accurately reflect the taxpayer makeup, then you would see a lot less space dedicated to cars and a lot more dedicated to pedestrians, mass transit, and non-automobile transportation options like bicyc…
You do realize that most of the streets in Manhattan were laid down well in advance of the rise of automobiles. In fact they were laid out when carriage and pedestrian traffic were the only options! I believe this map is from 1821! https://www.loc.gov/resource/g3804n.ct001389/
There is necessary traffic within highly populated areas (deliveries, public transport, locals, ...) and there is totally unnecessary traffic e.g. a single person in a SUV taking up the space of half a bus or 20 pedestrians.