However, flooding the historic nations of Europe with vast numbers of Third Worlders appeals to Europe's leftist-centrist ruling class because it wants to swamp native patriots who currently resist its transnational ambitions. In a republic where everyone speaks the same language, citizens can effectively monitor the government's performance. In a multilingual polity with an activist state such as the E.U., however, it becomes impractical to follow what is going on. Thus, power flows to a multilingual elite. Hence the hysterical response by the European ruling class when the people of Austria threw out a cozily corrupt regime and democratically replaced it with a new government favoring cutbacks in immigration.
Republican nations turn into polyglot empires.
It happened to Rome. It's happening to Europe today. Let the population decline . Well, there are a lot of Europeans who would like to live large too. Some European countries like France are not terribly crowded.