When I was at University in the 70s it was the Trotskyists .
They transmogrified into the Greenpeace then the Socialist Alliance and now Getup and XR.
There is a proportion of society that lives in a state of permanent grievance and whose solution is always the same.
A variation of Fascism / Communism / Trotskyism / Maoism blah blah blah.....
The cycle repeats.
The Enlightenment , Reformation and the defeat of Communism / Fascism may be historic aberrations.
Normal service will be resumed..........