You're probably being downvoted for such a flip response. But you're not wrong, so here's my upvote.

It's obvious that if you're an island that is far from the rest of the world by a few hours by plane that it's easier to isolate. And that's doubly true for New Zealand.

Oz better hope that that a good vaccine emerges: otherwise they're not going to like "round one" of Covid, much less "round two" which many countries are going through now. Ozzies have no immunity unlike the rest of the world.