David Leyonhjelm's complaint over being called an 'angry white male' could showcase the difficulty in launching a successful action under Section 18C and undermine an argument in support of repeal.
One Nation Senator-elect Malcolm Roberts lauds Galileo as a hero who turned scientific consensus on its head. But the 'Galileo gambit' is just one weapon in the climate conspiracists' arsenal.
Section 18C is limited in scope, and it would thus be wrong to claim that free speech carte blanche is under threat.
Contrary to the claims of One Nation Senator-elect Malcolm Roberts' that climate change is not happening, there is abundant evidence it is, but it might not be enough to persuade him.