The Associated Press reports that the man collapsed and died on the roof of his home while hosing it down in an attempt to shield it from burning embers. The house itself wasn't damaged, but 49 others were destroyed from the wildfire.
Australia does have a "Stay and Defend or Leave Early" policy, which was highlighted in an NFPA Journal feature story. NFPA hasn't taken a formal position on this policy but does provide important safety information on actions people should take during wildfires. Get additional emergency preparedness tips here.