I've been to different parts of Europe, those with weaker economies, the immigrants don't bother coming, due to those countries not giving them free money and housing. And to be honest, those are the best to visit, having immigrants just "Hanging Out", is not an environment for tourists and those Nationals within the country. Go Czech Republic, stick to your resolve.
RE: EASTERN EUROPE Czech Prime Minister: Illegal migrants in Europe ‘need to go home’