"remote" doesn't have to mean "foreign". It just means your daily "physical office" isn't company premises.
I’m referring to people living in the USA on a visa who can only hold a single job at a time.
Yeah I got that. My point is there are plenty of people living in USA who are US citizens and who might also be tempted to pull this kind of scam (for want a better term).
that's too small a subset
people - you should be looking at it from the angle of 'what are crimi at businesses doing at scale for profit"