Or simply, ignorance of the fact that there's real opportunity there.

How would an unemployed person find out such a thing? His nearest social circle would likely not know such a thing, and this is not the sort of thing you randomly find out.

"How would an unemployed person find out such a thing?"

Just because you're unemployed doesn't mean you're stupid or illiterate. They can find things out by searching the web, just as we would. If they can't afford their own internet access, they can get it for free at the local library.