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Countries that export to US [1] or to EU, and US itself will have an unreasbly (un-deservedly) high standardard of living.

That will always attract both talent and con-artists to US, Canada etc.

Because for the same amount of effort (or same amount of risk for the con-artists) -- the rewards are much higher.

This will only change if US currency will stop being the reserve currency of the world.

When (or if) US will stop being reserve currency of the world, it will cause a cascading effect that will likely cause a temporary collapse of the socio-economic, judicial, and political pillars of Western economies and Canada, Australia.

Then all these talent acquisition strategies will stop working.

All the policies will turn towards reducing chances of civil wars that will be breaking inside these countries.

Until then, it is hard to blame immigrants for seeking higher standard of living for the same amount of effort.

And governments will not really care what will benefit the locals. Because the political systems in Canada, US, UK are not really representative of the people, they are representative of the lobbyist and powerful interests.

[1] https://en.wikipedia.org/wiki/List_of_the_largest_trading_pa...