[AndyMcConachie]

> Many of these massive projects have incurred various costs and challenges. In the 1950s and 1960s, the Fillmore redevelopment targeted a largely black part of town. A 36-block area was torn down including housing, a distinct lifestyle, and a world-famous jazz community. Most of the previous occupants could not afford to return.

> In many cases, these huge, multi-decade redevelopment projects bring new life to part of a city, but sometimes we can't foresee what we're going to lose.

This is disingenuous, and shows how little the author understands about the history of American urban development. In many cases the purpose of redevelopment in US urban environments has been to push out people of color. To say that gentrification was an unforeseen consequence of redevelopment is just wrong. Gentrification is often the entire point of redevelopment by city officials.

They should read The Death and Life of Great American Cities by Jane Jacobs or read The Power Broker by Robert Caro.

To be completely serious, this article reads like someone had some ideas about urban development, did absolutely no research, and then talked about those ideas like they were some kind of expert. I don't understand why the ACM would publish something like this.