why is it that everyone always releases the public from their half of the responsibility? politicians are participating in game theory and acting out their bes

why is it that everyone always releases the public from their half of the responsibility? politicians are participating in game theory and acting out their best interests based on the other players. It takes two to tango. I suppose this opens up a slippery slope whose neighbors are authoritarianism and will-less-ness and, in their innocence and ignorance, people cease to venture forth.