I find being in close quarters with that many people way more stressful then driving.
In personal terms, I sought a new job where I could take the T or bike to avoid driving as the extreme antisocial behavior of other Boston drivers was taking a serious toll on me.
You misspelled "creating previously non-existent middle manager positions for powerful people to place people in as political favors"
In European cities the most common unpleasantness is drunk people late at night coming back from clubbing, at all other times it is as pleasant as it can be. It was certainly a shock to discover the reason for empty Muni carriages during rush hour so after moving to SF. To give people from outside the bay area an idea, elevators on the stations now have a person in them at all times to avoid them turning into public bathrooms. The area of the city all the underground lines go through have historically been the congregation area for the homeless, and there are a lot of homeless here.