Well, yes, arguably, up to a certain civilised point. Aussie government stance goes WAY beyond what would be expected of any civilised nation lMHO, it'sw much like what you'd expect if Donald Trump had been put in charge of a country.
Anyways, don't go, as you say, incriminating yourself...
www.urbandictionary.com/define.php?term=yahoo&defid=2456321
'Australian slang word meaning uncouth lout. ... Yahoo is an uneducated person with a backwoods mentality.'
You do know what the Aussie government approach to boat people refugees is, right? Sub-contract with extreme prejudice the...
Could be any number of reasons. Maybe they've got friends or relatives settled in the country they're aiming for, who have sent back good reports of their new and better life. Maybe they'll be more familiar with the language. Maybe they think they'll be treated more fairly there. For sure...