my best guess is, you could've connected from a different ip once 10 years ago and it improperly geolocated that ip as being in a tiny country and now it thinks

my best guess is, you could've connected from a different ip once 10 years ago and it improperly geolocated that ip as being in a tiny country and now it thinks you're secretly from that country even though you've been accessing the site from a US ip forever. it's the only plausible reason i can really think of. unless they set up a "country estimation" ai or a similar newfangled system and it's convinced for some reason you're actually not american. it's too out there but you never know