History tells us that many, many...probably most...people throughout history lived entire lives without what I assume you mean by "self-determination." This goes for the common defintion of "future" as it applies to people's lives. They had kids, wives, all that.
Beyond that you're going to have to define your terms, because I don't speak whatever subculture you're representing. As I understand you, almost all of us are here today because of people with "no future."
Until the European countries got over themselves and formed a union that could accommodate multiple cultures, the biggest threat any of them faced --- by far --- were each other.
Also: the Muslims aren't coming to kill you. Far more the opposite: they're coming to vaccinate you and to write you prescriptions for azithromycin and to evaluate your MRI results.
Beyond that you're going to have to define your terms, because I don't speak whatever subculture you're representing. As I understand you, almost all of us are here today because of people with "no future."