It's unpredictable, violent, and chaotic.
If so, that could be an exclusive cleaning business that only works once a year right after The Purge. How long does cleaning up the streets take? GOD is written in what looks like a marker, letting people know that you are an important Purge participant! They could even make sure that the work is spread out and messy enough (soap bubbles in fountains style) that they get extra work without having to do anything too nasty. Do the people who slayed their fellow-citizens have to pick up after themselves or is that contracted out by the city? Representing the god of anarchy, it's detailed with disturbing details such as the faded lipstick around the mouth and the hand made-looking shading around the eyes.