Themes
A riot is the language of the unheard.
— Dr. Martin Luther King Jr.

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker says that rioting is how people speak when nobody has listened to them. Violent unrest is framed as a form of communication, the last resort of those whose ordinary appeals have been ignored. The remark explains the outburst as a symptom of neglect rather than mere destruction.
Context reviewed