Keynesian economic policy is a negative-sum game: They essentially believe that you can take water from the deep end of the swimming pool with a bucket, carry it to the shallow end while sloshing water out onto the deck along the way, dump it back in, and somehow the water level of the swimming pool will rise.
(HT Robert Higgs, +Steve Ciciotti, and +Manuel Lora. I “stole” your ideas and remixed them.)