Home ownership has plummeted since the 1980's.

That tells the story on housing affordability.

Those that try to spin that its not so cannot dispute
the above.

"Why are young Australians locked out of home ownership? The answer is politics"

Home ownership rates have been plummeting since the 1980s in a nation that used to boast of being an egalitarian society. With the intergenerational shrinkage of stable income and a spike in debt-to-income ratio, young people and those with a modest income have been graduallylocked outof the real estate market.

https://www.theguardian.com/commentisfree/2022/jan/16/why-are-young-australians-locked-out-of-home-ownership-the-answer-is-politics