I'm surprised that the "alarm" is over the tourism and filming of it.
Not over us allowing people to self-destruct, which is what we do when we enable this behavior, which IS what we're doing right now. In San Francisco where I live we do this too. Plenty of "connected" charities making money and growing by serving the needs (addictions) of the drugged street population.
We need to be more alarmed at that, not at the exposing of it.