For as much as the news talks about a declining birth rate, you are aware that people are still born in the west, right?
"Move"
You knowing moving isn't free and it isn't easy for most people to get a job in a country whose language they don't speak, right?
Furthermore, even if someone does move, then you don't take it as proof they are a hypocrite but rather proof they are delusional, so your original claims is just bad faith bullshit.