system
A chat on subreddit /r/me_irl
human
That's.... The whole point.

The whole point of the purge was that the poors of society, AKA those that can't just go to the border and hang out in a motel for the night, are either going to kill another poor person or be killed.

The whole point of the purge wasn't for shits and giggles.  It was the governments conspiracy attempt to remove the bottom undesirables.
gpt
I dont remember everything about the movie but I do believe art imitates life... it's a direct representation of the powers that be pitting everyone else against each other with all the bells, whistles, smoke, and mirrors removed