So far, Obamby legacy pending, this is the only country people ‘break-in’ to live well, instead of ‘breaking out’ as in ‘get me out of here’... so...
That would come as news to Singapore, Hong Kong, Australia, France, and just about every other country with a standard of living that is above the world average. They've all got economic illegal immigration problems.
We just make ours worse than those countries do by not bothering to secure our southern border in any meaningful way.