If humans are inherently terrible, and government officials are humans, then explain to me how they suddenly magic themselves into being exempt.
Every cop, and every politician is somebody's son or daughter. They grow up as a human. At what point do they become exempt?
If the state has the ability to override this tendency, then EVERYONE has that ability.
And even Hobbes would likely posit that if a state cannot stop factionalism and unrest, then the citizens are not obligated to abide by it.