If Australia is anything like the US, then the postal service has had little investment in infrastructure over the last ten years. Even though mail order use has shot up.
Here it's the typical stop funding the post office so you can say it doesn't work then eventually privatize it.
I'm mostly get upset that they make so many stamps. I want so many of them. But I can write that many letters. And I write a lot. They're making a Betty White stamp I had to promise myself not to get it