Of course, when facing an island nation famous for its iron-clad tanks, there might be different outcomes.
But Australasia is not short of iron mines, and even light tanks have armor that is completely capable of withstanding cavalry troops.
Not to mention medium and heavy main battle tanks, with their powerful firepower and excellent armor protection, even if they stood still and let the cavalry troops shoot, the cavalry would be helpless.
Apart from the decline of the cavalry and the rise of the tank, the combined infantry and tank warfare approach widely adopted by Germany in blitzkrieg also drew significant attention from Australasia.
In World War I, there was no such method as combined infantry and tank warfare. Because the breakdown rate of tanks was too high, if a tank lay immobile on the battlefield, the infantry behind it would become sitting ducks.