Circumstance is the stage upon which chance plays its part. You can’t throw a seven holding one die.
Tax money comes into the government and gets distributed and paid out almost as fast as it was collected, and tax dollars spent go directly into the private sector, to the benefit of those who own businesses or who invest in businesses.
As bad as we are to one another as fellow human inhabitants of this world and the more we degrade the planet that sustains us, the more we believe, if our movies are any gauge, that aliens want to take it all from us. To echo the old comic’s gag line “Take my earth, please.”
No economic or political system yet devised has been able to transcend the common abuses caused by human avarice and self-interest. The one moving part you can count on to fail is the human being.