Earlier quoted context omitted.
This is the general arc of "gentrification". First, a few places in the neighborhood are rehabbed by developers. Next the "...Burning Man hippies, self-styled artists, people who graduated from great schools with useless majors, and the usual constituent of the ... overprivileged..." move in to the rehabbed areas and the (usually) blacks have to move out. These hippy - artist types make the neighborhood more attracti…
I didn't know Harlem had a tech community. Brooklyn, for sure. But Harlem? That's news to me.
Maybe it would have been more clear if I had used the normal real estate divisions of "workforce", "upscale" and "exclusive". I just thought artists, teachers, techies and celebrities would illustrate the differences a little better for the purposes of making the point against violence.