Part of the problem is that when the large banks took their share of the money, adding billions of capital and liquidity to their balance sheets, investors were encouraged and happy to buy up the large amounts of additional shares that the banks issued, providing the banks with still more capital, which they used to pay back their TARP loans.
Other documents reviewed by CNN seem to indicate that additional salaried workers may have been on the job that don't show up on time sheets, possibly refuting the committee's claim the rig was shortstaffed on April 20.