From your link.
This sums up the problem as far as most voters are concerned.
The QE3 move comes after Bernanke has repeatedly urged Congress to do more to support the recovery in the short term, while still addressing the country's debt problem over the long term.
But Congress has done little to heed his advice, and given it's an election year, they're not expected to act anytime soon. Economists often cite the threat of fiscal cliff as one of the key reasons businesses remain reluctant to hire new workers.
"We're looking for policymakers in other areas to do their part," Bernanke said at the press conference. "We'll do our part and we'll try to make sure unemployment moves in the right direction but we can't solve this problem by ourselves."