The Australian Foreign Editor Greg Sheridan praises One Nation’s immigration policy and claims there’s no longer any “integrity” to visa types. “Economically I think Pauline Hanson wins a lot of the argument too because there’s a clear difference between the growth size of the GDP and GDP per head,” Mr Sheridan told News24. “For the majority of the last four years…we’ve been going backwards in per capita GDP. “I think the key point is that the visa categories have completely lost integrity; everyone knows that now. “Our silly courts have given people endless appeal rights if they want to change from one visa to another. “The detail of Hanson’s policy doesn't matter much, and I think she has a point. “Her basic credibility, I think, is sound because everyone knows the visa schemes are rorted.”