Thing is, Canada does not need US built cars. With a stroke of a pen in Ottawa, cars compliant with EU safety and emissions regs can be made acceptable in Canada. iirc, Mexico had dual certification now, any US or EU spec car can be sold in the country.
Correct. EU certified cars are legal in Mexico. Interestingly, that means BYD cars sold in Europe would be EU certified, so could be used in Mexico. More fun, driving into the US from Mexico with such a car would likely be legal. Although it would have to be driven back to Mexico–unless it was stolen (ahem !!).
Ayup. Folks living near the border see Mexican market cars, with Mexican plates, routinely. One day, I was at the Henry Ford Museum in Dearborn, and spied a VW sedan I did not recognize. Looped around to the back of the car, and found it was an Indian built VW Vento, with Mexican plates.
You have obviously never met a Newfy, let alone a Brunswickian in high dudgeon. And the Albertans are Texans who like the cold — and now despise the snivelers to their south (in a bar in Edmonton, late at night, I heard one call us southerners “Rich, stinky, and clingingly stuck in the hairy southern cleft.”