"... that would allow them to work out their struggles in the protected space. We can’t have a subway system that’s both a system of transportation and housing for the homeless. Those are incompatible goals."
Said Gregory Umbach, associate professor at the John Jay College of Criminal Justice, quoted in "After homeless man choked on subway, NYC grapples with treatment of mentally ill" (WaPo).
The incident makes me think of Bernhard Goetz, and reading on, I see he's briefly mentioned in the article:
One of the most famous incidents occurred in 1984, when Bernhard Goetz, a White man, shot four Black teenagers he said he believed were going to rob him. Goetz became a folk hero in a city dealing with sky-high crime. The media called him the “Subway Vigilante.”...
It would be good to say more about why he became a folk hero. It is, I think, evidence of how oppressed ordinary people felt about what they had been forced to endure on the subway — or felt forced to endure. Goetz represented the idea of somehow fighting for your right to be left alone in this public space.
But the Goetz case was different. The young men he shot were simply criminals, robbers, on the subway to find victims. Neely was, it seems, mentally ill and on the subway for shelter.