According to the discussion between Stewart Alsop III and Vinay Gupta, it is quite easy for people in San Francisco to put homeless people into the "us vs. them" groups and pretend the problem does not exist. At the end of the day though, poor people with health problems are prosecuted by the society, and it is important for the wealthy to realize that, to get out of the bubble, and to assist people who cannot help themselves, given the circumstances.