Most stories about groups in the Occupy Wall Street movement only contain one or two dissimilar examples of failure. However, here's a story (link) that contains at least three different types of failure. First the story then the needed explanation for those in the Occupy movement:

Occupy Davis protesters here vented their frustrations to University of California regents Monday about rising tuition costs and the use of force against their demonstrations.

More than 50 UC Davis students signed up for a chance to have their say for - one minute each - during public comment at the regents' teleconference.

...At one point in the teleconference, a UC finance staffer in San Francisco attempted to give a financial report about the state funding situation. However he was drowned out by the sound of activists chanting outside the meeting room there. The chair of the committee finally cut him off, as it was impossible to hear.

...Nearby, Rose Burnes, 19, held a sign saying "Don't raise tuition." The 19-year-old bioengineering student said she was enrolled at California Polytechnic State University in San Luis Obispo but had to leave because her family could no longer afford the tuition.

1. Regarding the first paragraph, 50 people of varying qualifications no doubt saying similar things is not anywhere near as powerful as one qualified person who'd have more time attempting to engage the Regents in debate. If the Occupy groups were smart and didn't support direct democracy, they'd elect a small number of qualified representatives to present a unified message. Those representatives would be chosen for their ability to debate and really press issues. See the Question Authority plan and past Occupy coverage; if the Occupy group had used that plan they could have actually had an impact.

2. As they've done in the past, an Occupy group attempted to drown out those who disagree. They once again showed how little respect they have for others' speech. They aren't capable of debate, so they have to drown out opponents.

3. The students are complaining about high tuition shortly after Jerry Brown, Gil Cedillo, and the Democrats passed a bill that would take education resources away from Americans to give to foreign citizens who are here illegally: see DREAM Act. I have little doubt that most of those who complain about high tuition rates also support DREAM Act bills, despite the negative impact such bills have on them. And, despite how popular it would be to oppose such bills.

See past Occupy coverage for other examples of failure and the highly effective ways for them to express their few mainstream concerns.