The idea that White Australians have this "paranoia" about immigration is a strawman, if you look at history as a continuum instead of subjectively you find that this has never been the case.
The main beef we have with immigration has always that we don't want to see the kind of insular immigrant underclass found in Asian societies and lately in Europe and the U.S forming in Australia.
Slavery and exploitation of workers has always been resisted in this country and we have to be ever vigilant against it's tolerance and acceptance. Even where it has occurred, (I'm thinking of the Aboriginal agricultural workers) it's now something we're right to be collectively ashamed of. However Asians in particular don't see the world the way White people do, they don't believe in equality or the "fair go", this idea that we've always been jealous of their zeal and industry is also a myth, it's always been about their hostile attitudes, unfair business practices and poor treatment of others, particularly of their imported labourers.

The other problem is that it's impossible for an Australian to compete with Asian labour, I can't support a wife and two kids on $70 a day, which is what some immigrants and foreign students work for in the building industry.
The overheads I have to pay as a sub contractor and the expenses of even a basic lifestyle mean that at a minimum I need to make 400 a day..and that's a lifestyle with no holidays, no health insurance, no home maintenance, no luxuries such as going out, drinking alchohol, movies, restaurants and so on.
For me to live on $70 a day petrol, housing and all utility bills would have to be completely free and food would have to be heavily subsidised.

Our current rate of population growth of 1.6% will double our population in a little over 43 years, and if maintained, it will go on doubling it every 43 years out to standing room only. Our fertility rate has been slightly below replacement level since 1976, so the population would stabilize without the mass migration.

Total GDP and GDP per capita stopped going up together in 1998. GDP per capita grew much more slowly after that, and has been completely stagnant since the end of 2006, All the economic growth since then is just due to having more people, not because the average person is any better off

http://www.macrobusiness.com.au/2012/05/highrise-harry-wants-more-people/

If all this mass migration is so wonderful, why aren't we getting richer on average? According to Roy Morgan research, the real unemployment rate is 10% on top of an 8% underemployment rate. The taxpayers, of course, get to pay the direct and social costs for all the people who are excluded.

Apart from the various quality of life issues, such as congestion and high housing costs, our environment has been taking terrible abuse, with a lot of the damage directly or indirectly linked to having more people. We rank 48 on the Environmental Performance Index and 17 out of 17 on the Conference Board of Canada's report cards for developed countries

http://epi.yale.edu/epi2012/rankings
http://www.conferenceboard.ca/hcp/details/environment.aspx#context

The Australian Conservation Foundation has nominated human population growth in Australia as a key threatening process under the Environmental Protection Act

http://www.acfonline.org.au/sites/default/files/resources/EPBC_nomination_22-3-10.pdf

Andrew Bartlett will no doubt claim to be a humanitarian, but deliberately or not, he is serving the interests of the corporate elite, who want bigger markets, lots of rent-seeking opportunities, such as on the sale of residential land or control of water, and a cheap compliant work force that they don't have to train.

I am reminded of an experiment where a virgin female rat was given maternal hormones and taught that if she pressed a lever, a rat pup would be delivered to her cage. She just kept pressing even though the cage floor was completely covered with rat pups.

It always bemuses me how obsessed our media are with refugees who arrive by sea to the point of whinging about people being arrested in INdonesia as if Indonesia is just a wing of Australia.

Refugees are not migrants, asylum seekers are not migrants as our worthless media claim, they are people in need of protection. Calling them migrants is the same as calling patients in hospitals "staff".

OUr media and lazy deranged pollies seem to have forgotten one simple and universal law co-written by Australia - EVERYONE has the right to seek asylum from persecution.

NO mention of money or smuggling or waiting or any of the crap we have developed with the help of lazy media in this country.

Employers of foreigners working on 457 visas must abide by Australian wages and conditions. This is not a major threat to conditions for Australian workers. It is exploitation of foreign workers in their homelands, too cowed in countries like the Prison Republic of China, which sets the standard by which Australian workers are threatened. This would not happen without foreign trade which uses importation of tariff-free goods as an ongoing threat to Australian conditions. A government serving the Australian nation rather than greedy pigs living off the fruits of foreign police state repression would defy the globalisers, opt out of WTO and install an exploitation-indexed tariff system that forces competition on quality, not el cheapo conditions and brutal repression. This would breathe new life into Australian industries destroyed by importing the vile conditions under which people in slave countries like China live while leaving the exploited victims imprisoned under the regimes of their own countries.

EmperorJulian

The "greedy pigs living off the fruits of foreign police state repression" are any one of us who buys a TV or T shirt made in China at a fraction of the price it would cost if made here.

We are all better off - Chinese and Australians - if we produce what we're good at, and they produce what they're good at, and we trade.

Do you seriously believe that the Chinese would be better off if they did not have industries selling exports? In 1981, more than 80% of China's population lived in absolute poverty. By 2008, it was 13%. Global trade has been the main cause of China's economic transformation. If you seriously cared about poverty in China, you would welcome free trade.

Data”
http://data.worldbank.org/indicator/SI.POV.DDAY