It's amusing how people suddenly start talking very differently about the tax-paying abilities of immigrants when they realize that the state's tax revenue is actually going to depend on them.
What's funny is that many rich people are leaving because of the high tax rates. This simple fact is beyond the comprehension of politicians: don't have high taxes; otherwise, the rich move their money or move themselves.
Across the ocean, it's surprising that the EU politicians aren't more worried about this. How will illiterate, low-IQ, infidel-hating, cousin-marrying Muslims prop up the welfare states of Europe? If anything they'll only accelerate the decline.