Demonise. (Or how removing the humanity of your opponent negates your argument.)

Wherever you go, when the subject of conversation turns to hideous, mind-boggling acts of evil, you will often find people leaping to conclusions. Whether those conclusions are about the perpetrator or the circumstances, generally, those conclusions form part of a psychological defensive reaction.

This is what our media has come to (aka Alan Jones is an asshole).

The introduction of mass communication after the industrial revolution, like many changes brought about by the industrial revolution, had both good and bad effects. When the radio was the dominant medium, large groups of people could be warned of impending danger, or told of events in the community, all at once with minimal effort. When television was invented, the potential to educate children in the basics of language and mathematics was quickly realised.