Canadians love to exaggerate how cold it gets.
None of the 4 biggest Canadian cities have EVER had -40C temperatures. No, wind chill does not count.
In fact, most years they’re not even getting to -30C, and if it does happen it’s only for 1 to 2 days. The rest of the time you’re dealing with average -10C, which China also regularly deals with. But guess what, even if you can’t use your EV one day out of 364 days that’s not that big a deal. Most people should just stay home that day.
The source is I’m Canadian and lived in Ottawa for a decade.