risking 5 billion for 100 million is pretty bad risk/return
im sure he wouldnt invest that much unless he knew something we didnt which would cause it to go up, other then just "buffett invested in it, everyone else do it!"
edit: there is a LOT more to the Koch brothers than that... they were also the ones who funded the pamphlets and advertisements telling democrats in Wisconsin to send their ballots in to an INCORRECT address, on a date AFTER voting stopped. fucking sad, sad people.