It doesn’t matter how common the written error is, because the ambiguity is omnipresent in speech and we sort it out every day of our lives, so it will always be easy as fuck.
FYI, both of you are overacting. It’s weird to react to the correction so seriously, but equally weird for you to get so offended by the error. Both of you be better.
Yeah, there’s a big difference between “random country” and “home country”.
I experimented with this some time ago and failed because I didn’t have a credit card from the foreign country to pay with. I’m sure this can be circumvented with some effort, but it’s not trivial.