The article was alluding strictly towards external catastrophes

Because having everything there designed to kill you (even the weeds are deadly, see gympie-gympie) and it being located 3km from the surface of the sun isn't enough, let's factor in externalities as well.

If I wanted to hide out from an apocalypse, I'd move to Heard Island, as long as you're not bothered by the 10% tariffs.