The difference is that Tesla spends enormous manufacturing cost on aesthetics. Where this sub looks like a bucket of bolts.
Tesla likes to boast about the safety of their cars, and while I don't deny this, I believe that the safety is an accidental side-effect of the inherent properties of building a car with no explosive fuel and a heavy battery pack at the very bottom of the car.
Many other EVs have equivalent safety ratings.
https://www.euroncap.com/en/ratings-rewards/electric-vehicle...
https://www.shift2electric.com/_files/ugd/49f443_f12301e882e...
Using the euroncap ratings you used as an example, the model Y received the highest rating ever tested