Its a stupid law. Not being able to move freely 14 days before going to Australia? You would fit well in China
He could have travelled widely in those fourteen days.
He's just supposed to answer the question honestly, so he can be asked where he was. Some countries are low risk of both crime and disease. Others aren't.
Many laws are stupid. You don’t get to choose which laws to obey and which to ignore. Got it? Australia is not an anarchy.