Your situation is different. If you require a visa, you are by definition a guest in another country. It isn't the hosts' responsibility to take care of you if

Your situation is different. If you require a visa, you are by definition a guest in another country. It isn't the hosts' responsibility to take care of you if you fall ill. You have the choice to stay or leave. Citizens on the other hand don't really have any options. Being unemployed isn't an option. Nor is becoming a citizen of another country for most.