Chief difference is that you generally get a much broader spectrum of people in public transport.
The places you mentioned aren't necessary for anyone on a daily basis. Transport, on the other hand, is.
The places you mentioned aren't necessary for anyone on a daily basis. Transport, on the other hand, is.
What? Nothing about public transit is different from libraries, restaurants, cabs, or any other public space. You wouldn't say, "well, you can't go book shopping because you know book stores - people just urinating in the middle!"