Well, it's happening now in my own suburb here in Melbourne, though on a smaller scale.
I live in the suburb of Eltham on the fringes of Melbourne. It's a pleasantly green, family-oriented place to live and the demographics haven't changed much over the years - according to the 2011 census those from Italy (5%) are the only major non-Anglo ethnic group.
But that is soon to change with an influx of Muslims from Syria and Iraq. How has this come about?
Well, the first person responsible is the supposedly "conservative" politician Tony Abbott, who decided as PM to resettle 12,000 refugees from the Middle-East in Australia (admittedly smaller numbers than Germany and Sweden).
The second institution responsible is, predictably, the Catholic Church, which has decided that "social justice" means helping to Islamify Australia.
There is a large aged care facility in Eltham which was run until recently by a group called Melbourne City Mission. Last year it was taken over by St Vincent's Care Services:
Melbourne City Mission Chief Executive, Rev Ric Holland, said the sale announcement was a fantastic outcome for Eltham’s residents and their families, as well as the centre’s staff and volunteers, and it will be business as usual for operations.
That wasn't true. St Vincent's Care Services is committed to a vision of social justice which is no longer focused on helping the local elderly:
Our focus is on addressing the health care needs of Aboriginal and Torres Strait Islander people, people experiencing chronic homelessness and people living in the community seeking asylum.
So the mission is to help asylum seekers. What this means is that St Vincent's is going to start leasing places at the facility to young Iraqis and Syrians, then allow them to buy them cheaply, alongside the elderly residents still living there.
The local paper ran a story on this highlighting the worry for the elderly residents:
Retirement village residents fear being victimised if they speak out against plans allowing Syrian and Iraqi refugees to lease units in the same centre they call home.
...a person living inside the village...said that residents were not consulted about the proposal. "It was either like it or lump it," the resident said.
"We were told it was going to enliven the community and become a more vibrant and dynamic place, but this is a retirement centre."
...The relative of another village resident, who also did not want to be named, pleaded...for the application to be refused. "The residents are feeling very scared and unsafe," the letter read.
So elderly people in a retirement village are being told that they are going to live in a more "vibrant" place with the arrival of young Muslim refugees.
What is to be said about all this? I can only point again to the fact that the Liberal Party is more correctly described as a right-liberal party rather than a genuinely conservative one. Tony Abbott, who is often portrayed in the media as a right-wing politician, implemented policies that are radically liberal in nature rather than conservative. And the Catholic Church seems to have joined in the great liberal death wish - it is hell-bent on a future Islamic Australia rather than a Christian one.
As for those who wish to help asylum seekers, it is a very odd thing to take people from Iraq and drop them half-way around the world into an aged care facility in an outer suburb of Melbourne. If they really do need help, rather than wanting welfare and Western women, then they should be supported to resettle somewhere in their own region, where living standards and culture are similar to their own country.