> won't also prevent emigration

Preventing emigration is rare for non-Soviet-descended governments, even the most authoritarian ones. Most governments are pretty happy when dissidents leave.

> has the means to leave

Not everyone, but as the Syrian and Afghan refugees that were formerly pouring out of Turkey illustrate, if you are in decent health, have 2 feet and have a way of acquiring sustenance along your way, you don't need much means to leave. Most people are kept back by attachments to community and property, not a lack of means.

The situation is bad, yes, but not war-zone-bad. Borders are open and non-political actors (well, most of them) get to keep their passports and freedom of mobility (obviously not all freedoms).

True, Operation Paperclip wasn't exactly the, uh, most optional thing from what I understand.