Counterpoint, pretty much all of what we call Latin America does not differentiate semantically between North and South America in common discourse - they refer

Counterpoint, pretty much all of what we call Latin America does not differentiate semantically between North and South America in common discourse - they refer to themselves as "Americans" living in "America", where USA happens to be an "American" country. Outside of that part of the world, you're largely correct, "America" == "USA"