Trumpism, whether full-strength or in the watered-down form seen in Australia, is not an answer to the failure of neoliberalism. But until centre-left parties can escape the mental prison built by decades of soft neoliberalism, it is what we are likely to get.
It was a well meaning but failed ideological experiment that was never revised because it was locked in by the voters when benefited from it. Short term gains, short term thinking.