Flip through enough of the 99 percent signs and you realize that the majority of that demographic aren't complaining about the lack of financial regulation or income inequalities, so much as they're upset that they took on loans to pay for college degrees to get jobs that don't actually exist.
The fault here isn't Wall Street's, it's a policymaking apparatus that decided the way to deal with the loss of manufacturing jobs was to get as many college graduates out there as possible to create the industries of tomorrow.