I blame Subaru and others for their incessant advertising suggesting the AWD is somehow safer in Canadian winters. I had my RWD Model S for 5 winters and can tell you with proper winter tires, it is as safe as any AWD car. Maybe safer because you don't get lulled in to a false sense of security and get into trouble when it comes time to stop or turn.
I drove daily from the GTA to the Waterloo Region, to Bruce County and Muskoka regularly as well as to Chicago every Christmas. NEVER ONCE did I feel I was in a situation where AWD could have gotten out of a situation I was in.
Here is an older Tesla video describing why you don't need AWD: