Toyota RAV4, according to website, starts at 36K CAD.
So that's plus or minus twice the price :-/
Other way of looking at it - even if it were "Only $15k USD difference" in USA, that is an entire car worth of difference (not only in pre-COVID times, when you could buy a new car for $10k! We just bought a $17k Kia Rio 5. Tesla Y is four time the price, and ~2.5 times the price of Corolla or Civic, which again I wouldn't think of as "marginally more expensive". (Edit: And this does not include the money one would presumably need to spend to install chargers etc at home).
Please don't take this the wrong way, but it's a somewhat Hacker-News specific perspective that Tesla isn't luxury, or that $15k USD difference isn't much. Acura RDX starts at $57K CAD, which is 12K CAD less than the Tesla Y, and I'd certainly consider that a luxury car. Other people might not! But that underscores my point that for high earners, "luxury" and "rich" creeps up. (same for me too! I used to think $100k a year was "rich" until I got there and then I conveniently moved up my own personal definition. I don't consider our Honda Odyssey a luxury internally - I consider it a "necessity" or a "practical choice" until I have a "whoa" moment and remember that my parents took five people around in a little Citroen AX and Zastava 101, and that vast majority of people cannot afford a $55k CAD family car - and even we got it used from a 2 year lease because $55k CAD for a car is just a lot lot lot of money)
The price is comparable, the costs of ownership are way lower, and the product is at least twice as good.
There's basically no downside which is why they're selling so well.