It's a vote-winning strategy to keep an economic boom going, and importing young workers to fuel it is such a strategy. Almost all European countries did this.

It's a vote-winning strategy to keep an economic boom going, and importing young workers to fuel it is such a strategy. Almost all European countries did this. By the time said workers are old, and their kids (who aren't mentally comparing to the village their family) are unhappily unemployed... well that's decades later, you don't get elected by worrying about such things.