The political discourse on this continent has changed since the movement began. Read any reputable newspaper and there's columns on growing inequality, economic disparity, etc. Even dissenting viewpoints that challenge the Occupy message have begun to speak in the vocabulary of the movement (i.e. the ubiquity of the "1%" as shorthand for the wealthy and powerful, etc.) and to discuss issues that, just months ago, were largely ignored by the mainstream media. This has been a huge success, countering the dominance of rightwing-origin vocabulary and agendas (i.e. "the taxpayer," "political correctness run amok," etc.). People do not have to buy the whole hog to be swayed, at some level, by the message of the occupation. There are many people who may disagree with the movement (whether that's in disagreement with the tactics, the rhetoric, the perceived extremism, etc.) who nonetheless are now talking about the wealth gap and sympathizing, at least in part, with the aims of the movement.