The risk of the US alliance to Australia has been evident for decades, now more so with the US challenge to China. Aus is just the kangaroo in the headlights, frozen in place until hit hard, or shot, too slow to react to the changed circumstances.
Australia is at an existential crossroads: authentic national sovereignty independent foreign policy vs. subordinate vassal positioning as US frontline proxy in a future conflict with China. Alliance with the US may very well be fatal.