Social cohesion: the limits of the law

In the aftermath of the Bondi massacre of 15 mostly Jewish people celebrating Hannukah, state and federal governments have passed hate speech laws. They're part of an effort to build social cohesion in a country scarred recently by growing antisemitism and other forms of religious hatred.  

But does banning phrases such as "from the river to the sea" — used usually when supporting a Palestinian state –promote cohesion?  

Can any law mandate unity? Criminologists Keiran Hardy and Rebecca Wickes from Griffith University argue in a recent paper that laws can help, but governments also need to look at declining trust, economic opportunity and loneliness. 

GUEST:Kieran Hardy, Associate Professor in Griffith University's School of Criminology and Criminal Justice. He is co-author of We can’t coerce our way to social cohesion. Here’s what else governments should be doing