The law says what it says. And what is says is unconstitutional if interpreted the way the DA interprets it. What should have happened is that the boy's attorney should have brought up the First Amendment. The boy's parents probably had a hand in who that attorney was. Rather than showing up with signs the local atheists should have filed an amicus brief.
If there is a god, I want to believe that there is a god. If there is not a god, I want to believe that there is no god.