They also are often already organized, and often already have the ear of elected representatives from their past activism.
All of these things combine to make it a very good idea to engage those communities at the outset of an effort. I am not a person of color, nor am I religious, but I have been able to play an important role in my city's effort.
Technologists need to help, not necessarily lead, these community efforts. Email me if you'd like more support on getting started!