The riots we see on television are about camera work and a vocal minority. The news doesn't try to represent reality. They take any anecdote they can find and do everything they can to turn it into riveting television.
On TV San Francisco appeared to be destroyed in the 1989 earthquake. I lived in Cupertino. It didn't seem a big deal till power came on in the morning, and we saw the news. Wow! A major disaster! I drove north to see the devastation. When I arrived in San Francisco, 99.99% of the city was completely normal.
Quick, what percentage of the population of NYC participated in Occupy Wall Street?