Hostile work environment is an environment which isn’t suitable for doing work. It has unsuitable working conditions which could be in the form of the environment or the characteristics of the workers themselves.
She was confronted with whistles and lewd comments from male coworkers, making her uncomfortable. This explains why the work environment was hostile to her.
I don't know if I'm answering right and if I do text me, so its basically saying that the city is so busy so loud and there's always a lot going on so it's to busy to even hate it!