> But if you look at the US alone, you see that process happening as well (e.g. aircraft and auto mfg moving to the non-unionized south).

A Michigan auto worker may not be thrilled by jobs moving to Tennessee, but a) at least his countrymen will work those jobs, and b) he can move to Tennessee. His job moving to Ontario does not have these virtues, and no amount of repeating

> It’s economically superior to integrate these three countries and beneficial overall

is going to change this.