This isn’t new, the reports date from November 2021, here and here, but I had not heard about it previously.
The practice isn’t unique to Australia. Indonesia famously, routinely blows up fishing vessels caught fishing illegally in Indonesian waters and I found this 2015 report that Palau had burned four Vietnamese fishing vessels.
Thanks to Lee for bringing this to my attention.
The US should do the same for vessels caught fishing illegally in our waters.