Halloween is one of those interesting holidays that, despite not celebrating anything terribly offensive in itself, nevertheless inevitably drives people to do offensive things.

Most of the time, that offensiveness is limited to tone deaf outfit choices by clueless individuals who haven't got the memo about cultural appropriation.

But somehow, this year, a person calling himself a "licensed minister" used his entertainment company to organise a "Christian" haunted house event at a Chicago elementary school that reportedly depicted, among other things, the Pulse nightclub massacre.