That's because Eritrea doesn't have the US's military, and its ability to project power is limited to sending a couple of goons to harass a few rich expats they

That's because Eritrea doesn't have the US's military, and its ability to project power is limited to sending a couple of goons to harass a few rich expats they're aware of. Also, the stick that the US uses to enforce FATCA is the threat of a 30% penalty on all US-sourced income of the entities that fail to report. That and the threat of seizing funds, because any SWIFT transaction in US dollars always passes through the US, even if it is to send money from Germany to India.