I remember distinctly the moment I realized the housing bubble was going to end badly. I was wondering in the early 00's how house prices, more or less everywhere, could continue rising past what most people could actually afford to pay. I hadn't really being paying much attention to the financial world, but sometime in 2004 or so, I saw an ad on tv for a mortgage deal that seemed to make no sense. I looked it up and…
And yet Australia and many other had and have high housing prices as well and they didn't have recession. So this oversimplified theory is really just your confirmation bias.
Why Australia wasn't involved is a different question. (http://www.abs.gov.au/AUSSTATS/abs@.nsf/Lookup/1301.0Chapter...)
"...and they didn't have recession."
Yet. How much of Australia's economic growth is made up of financial shenanigans and the housing industry?