That's true of most immigrants. Bluntly put, the ones who manage to reach another country are the most resourceful, the survivors. Those with fewer skills and resources are more likely to die before escaping -- except for a few small children and seniors carried as part of a larger group. These are valuable human resources. The ones who come as students for higher education are even more valuable.

I have a whole thread on this topic in Polychrome Heroics but Rutledge doesn't have a landing page yet. It's very popular because my readers like to give me prompts to write about how it could look if a town genuinely welcomed refugees.