I’m actually shocked the ratio is only 3:1. That’s not “few” people that’s hundreds of thousands fighting for a handful of bridges and tunnels each and every morning and every evening in between.
I commute into Manhattan daily via public transit.
However when I go into Manhattan for non work related activities, my wife and I (and nearly all my friends) always drive.
The NYC transit situation is decent and tolerable, but still very unpleasant. If I want to enjoy a night in the city, the last thing I want to do is deal with the transit system.
Dealing with mild to moderate traffic within the confines of my (admittedly pretty nice) car is not very painful at all.
We look at the traffic situation before going in. If it's terrible, we just cancel our plans in Manhattan and do something else.