San Francisco tech worker: 'I don't want to see homeless riff-raff'

In an open letter to the city's mayor Ed Lee, entrepreneur Justin Keller said he is 'outraged' that wealthy workers have to see people in pain and despair

Related: Super Bowl protests flare up over plight of San Francisco's homeless residents

In only the latest cultural altercation between San Francisco's tech workers and the city's impoverished population, one tech worker has declared the homeless are "riff raff" whose "pain, struggle and despair" shouldn't have to be endured by "wealthy" people commuting to work.