During the 1920s "stag nights" -- gatherings at which hard-core films were shown to an all-male audience -- became a familar, socially acceptable custom. In the United States, hard-core films were not exhibited at brothels or socialist meeting halls; they were shown at politically conservative institutions, at Kiwanis clubs, American Legion halls, and college fraternities.
p. 126, Reefer Madness: Sex, Drugs, and Cheap Labor. Eric Schlosser.
Streets that once served vehicles and people equitably are now designed for the sole purpose of moving vehicles through them as quickly as possible. They have become, in effect, traffic sewers. No surprise, then, that they fail to sustain pedestrian life.