I've been to the protests, in DC. I didn't see anyone calling for violence against millionaires or anyone else. I didn't see anyone defecating on police cars, when I was there. In fact, I didn't see any police cars.
If you want to characterize these activities in ways that limit your understanding, then there really isn't much opportunity for thoughtful dialogue. If you are interested in hearing a forceful articulation of the grievances that are motivating at least some of the people drawn to these protests, listen to Alan Grayson explain things in less than 1 minute: