With the demographic collapse of Europe, governments are competing for culturally assimilable immigrants. Hungary, with a fertility rate half required for population stability, has extended citizenship to everyone able to prove any Hungarian ascendence. 2.5 million in Romania, Slovakia and other countries have already applied. Germany (pic The Volga Germans), Spain, Poland and other European countries have legislated similar laws of repatriation. Even Japan is trying to bring in Latin American Japanese descendants. In this they are all following the Israeli criterion of offering citizenship to any Jew where ever he is. The next step will be to create organisms similar to the Sochnut, intended to promote Jewish identification and aliyah (immigration to Israel).
The paradox is that this pro-immigration policy is being developed at a time of increasingly harsh anti-immigration policies in Europe. May be it is not a paradox.