Its actually been tried since about the 1850's if I remember correctly. But it got so discredited that the 1% had to reinvent it and create a new basis for it that wasn't tarred with the same derision, though it seems that they are reaching a point where they will need to do that again.
FYI it used to be called horse and sparrow theory - feed the horse (1%) enough oats and at the end the horse shit will contain enough unconsumed oats left in it to feed the sparrows.