The oxford comma

 A case in favor for the oxford comma: I found a devotional that says, "If God created everything good, why do people die and do evil things?" Without the oxford comma, this sentence makes you wonder if zombies exist, or that dead people are knocking over liquor stores. 

I know, technically, you could change "and" to "or" and fix it, but "die, and do evil things" also would work.