Yes, yes, every piece slowly falls into place. *Cue maniacal villain laughter
It's like they actually studied history, to try and replicate the desired results as identically as possible. Or they didn't, at all, and this is just 2+2=4 scenario but with history.
What she did is what everyone in her situation should do - not just if your visa is revoked, but if you are one of the target minorities.
It's hard to get your life turned upside down and leave your comfort overnight, and very unfair. But you don't want to let them make the first move on you.
As hard as leaving everything behind feels, the chance of being imprisoned and being powerless in case democracy falls and tyranny begins is far, far worse.
Many people who chose not to flee newly-formed totalitarian regimes lived to regret that choice dearly. As did those who didn't have the choice to begin with.
Escape to safety, then denounce and seek justice and restitution. Safety first, always.