A city needs a prominent middle class in order for it to have a flourishing economy.

New developments attract this middle class.

The displacement of people is real and the rent increases aren't good, but we can't be a poor city just for the hell of it. Mars doesn't want to hire our citizens as they are now.

In order to stave off gentrification, Newarks school system must be stellar. A city with a good school system is a city that prepares its kids to graduate college and be able to work and play in the city.