Legendary businessman and philanthropist, Bill Gates criticises immigration policy in the United States before a Senate committee. WSJ article. FT article. Many foreign students lucky enough to be given subsidised graduate-level education in the United States are then forced to return home right at their economic prime. An economy only benefits from the import of high skilled, high income labour. Conversely, brain drain in undeveloped countries tends to maintain a vicious cycle of poverty. Much fuss has been made recently in the US calling for anti-immigration policies. Maintaining tight limits on the numbers of H1-B visas owing to a large influx of low skilled illegal Mexican immigrants is a travesty of economic policy.