He's still getting 100's of millions in green subsidies and moving jobs overseas. He can't rock the boat just yet. But you're right if he had a real sack he'd go public and then face the music at the stockholder's meeting. I don't think O has enough nut to take GE down at this point.
F Immelt he sucked up to the Dems, created a financial division that fed on tarp money even though they didn't have any such assets and are in the process of moving their solar tech headquarters to China; now he's dismayed? Again F him and the GE board.