This is a pretty old-fashioned and US-centric perspective. The Wikipedia article explains that sovereign immunity never really worked like this in Australia, an

This is a pretty old-fashioned and US-centric perspective. The Wikipedia article explains that sovereign immunity never really worked like this in Australia, and the United Kingdom passed a Crown Proceedings Act to overcome it in 1947: https://en.wikipedia.org/wiki/Sovereign_immunity https://en.wikipedia.org/wiki/Sovereign_immunity