"It'll mostly affect our Aussie friends but also anyone who deals with the Great Southern Land."
(emphasis added)
The Office Watch website from whence this article came Office-Watch offer several excellent, free newsletters that I've been subscribing to for years....they often contain excellent information and is geared toward pretty much anybody who uses Windows and Office....not just techies. Highly recommended.
And no, they don't spam you.
With the big change coming to daylight savings time here in the U.S. next year, I would not be surprised if we face the same sort of problems.
The gentleman (or lady) who wrote this article will have failed if this were an engineering school report assignment. What is he (or she) trying to communicate here?
(I have to stress that I'm not a good writer myself, but even I passed in university reports writing)