I totally bought an existing pro-Gilead, pro-Waterford crowd. The most screwed up, recovering fundamentalist I ever knew (his parents forced him into conversion therapy for being gay, and it was borderline kidnapping: sent thousands of miles from home, phone taken away, no money, lockdown, the whole works) was indeed Canadian.
HOWEVER, there would have been counter-protestors. We've seen over and over again Canadians protesting their neighbor to the south.
In fact, it would have been more powerful to have Fred and Serena exit the building, look around and assume it's still the same