There are a several videos on interwebs of police arresting people who were not blocking streets (other than the Brooklyn Bridge incident). Moreover, the court has ruled that the Brooklyn Bridge incident was police's fault and arrests were unreasonable.

As for the Wall Street bankers, who do you want to prosecute for what?

Executives of banks and mortgage companies engaged in fraudulent practices that led to the financial crisis. Instead of pressing criminal charges, they were rewarded by the Government.