Great point. I heard an interview with an American woman, yet when she spoke, she referred to the US in a strangely detached manner (I'm not describing it well, but there was something strange about how she referred to it). She was in a supposed Hizbullah stronghold. I wonder about people like her. There are millions of Americans overseas who are good & loyal citizens. I too doubt the 25,000 figure. I heard someone today say it was 4-5000 who would probably want to leave.
There may be 200-400 "students" at us based colleges on LEB, but they not citizens, or carry "dual citizenship".