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YouCanCallMeDan to be brief, the government wants the immigrants because Britain's birth rate is too low, it would decline the population, hence shrink the GDP, and erode the strength of the country. It's happening all over Europe, that's why so many are immigrant friendly. They need the replacement population to keep national growth rates up. Stop immigration and the economy stagnates. The jobless Brits won't magically take any and all empty jobs, since they may have to move and can't afford it, they may be unqualified, or they simply may not want the job.