On top of that, people have families, jobs, and other commitments that hinder their plans. Moving to another town is already hard enough as it is, but relocating to another country is even harder.

While it’s certainly possible and perhaps even advisable, it’s not a realistic option for most people. If your life is in danger, remaining isn’t really an option, so any associated difficulties with moving and starting anew are the lesser evil. However, for everyone else, the situation gets complicated.