I live in Brooklyn. I don’t bump into dozens of people every few blocks either.
Brooklyn is very large, with over two million residents. Some frum Brooklyn neighborhoods are more congested than others. And some people walk more blocks than you do.
Walking down four or so avenues in some Brooklyn neighborhoods, on some streets during some parts of the day, you can pass by about a couple dozen people between both sides of the street and intersections you pass.
Without nitpicking every word like it’s a gemorah, the point is you pass a lot more pedestrians in parts of NYC than you do in many other places.