For me, it's all about the jarring contrasts in a fleeting encounter between distant social classes. The guy's homeless along with thousands of others in one of

For me, it's all about the jarring contrasts in a fleeting encounter between distant social classes. The guy's homeless along with thousands of others in one of the richest and most technologically advanced regions of one of the world's richest countries. Actively throwing litter into the street comes off as antisocial, until it's revealed to be motivated by empathy for his fellow destitute community members. That woman spends her waking hours collecting empty cans and avoiding needle-stick injuries on the streets of a city in which other people who aren't so different from her spend their time rearranging electrons in very specific ways that entitle them to safe and secure housing, as well as food, drink, and information imported into their homes from across the world.